minor updates

1 files changed, 325 insertions, 351 deletions

diff --git a/experiments/ml.c b/experiments/ml.c
index f0a7125..25c10ac 100644
--- a/experiments/ml.c
+++ b/experiments/ml.c
@@ -1018,8 +1018,6 @@ static Py_ssize_t __Pyx_minusones[] = {-1, -1, -1, -1, -1, -1, -1, -1};
 
 static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level);
 
-static CYTHON_INLINE long __Pyx_pow_long(long, long); /* proto */
-
 static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value);
 
 static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);
@@ -1380,7 +1378,7 @@ static PyObject *__pyx_codeobj__9;
  *     """weight for successful infection, exponential time model"""
  */
 
-static __pyx_t_2ml_DTYPE_t __pyx_f_2ml_weight_success(int __pyx_v_dist, int __pyx_v_dt, __pyx_t_2ml_DTYPE_t __pyx_v_alpha, __pyx_t_2ml_DTYPE_t __pyx_v_delta, CYTHON_UNUSED __pyx_t_2ml_DTYPE_t __pyx_v_lmbda, __pyx_t_2ml_DTYPE_t __pyx_v_t_scale, CYTHON_UNUSED __pyx_t_2ml_DTYPE_t __pyx_v_w1, CYTHON_UNUSED __pyx_t_2ml_DTYPE_t __pyx_v_w2, CYTHON_UNUSED __pyx_t_2ml_DTYPE_t __pyx_v_w3) {
+static __pyx_t_2ml_DTYPE_t __pyx_f_2ml_weight_success(int __pyx_v_dist, int __pyx_v_dt, __pyx_t_2ml_DTYPE_t __pyx_v_alpha, __pyx_t_2ml_DTYPE_t __pyx_v_delta, __pyx_t_2ml_DTYPE_t __pyx_v_lmbda, __pyx_t_2ml_DTYPE_t __pyx_v_t_scale, CYTHON_UNUSED __pyx_t_2ml_DTYPE_t __pyx_v_w1, CYTHON_UNUSED __pyx_t_2ml_DTYPE_t __pyx_v_w2, CYTHON_UNUSED __pyx_t_2ml_DTYPE_t __pyx_v_w3) {
   __pyx_t_2ml_DTYPE_t __pyx_v_structural;
   __pyx_t_2ml_DTYPE_t __pyx_v_temporal;
   __pyx_t_2ml_DTYPE_t __pyx_v_result;
@@ -1388,18 +1386,18 @@ static __pyx_t_2ml_DTYPE_t __pyx_f_2ml_weight_success(int __pyx_v_dist, int __py
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("weight_success", 0);
 
-  /* "ml.pyx":13
- *     """weight for successful infection, exponential time model"""
+  /* "ml.pyx":14
  *     cdef DTYPE_t structural, temporal, result
- *     structural = delta ** (dist**1)             # <<<<<<<<<<<<<<
- *     # structural = delta/(1. + 1./(w1*lmbda) + 1./(w2*lmbda) + 1./(w3*lmbda))
+ *     # structural = delta ** (dist**1)
+ *     structural = delta * lmbda**(dist-1)             # <<<<<<<<<<<<<<
  *     temporal = log(exp(alpha/t_scale)-1.) - alpha*dt/t_scale
+ *     # temporal = 1. / (1. + (dt - 1.)/alpha)**0.01 - 1. / (1. + dt/alpha)**0.01
  */
-  __pyx_v_structural = pow(__pyx_v_delta, ((__pyx_t_2ml_DTYPE_t)__Pyx_pow_long(((long)__pyx_v_dist), 1)));
+  __pyx_v_structural = (__pyx_v_delta * pow(__pyx_v_lmbda, ((__pyx_t_2ml_DTYPE_t)(__pyx_v_dist - 1))));
 
   /* "ml.pyx":15
- *     structural = delta ** (dist**1)
- *     # structural = delta/(1. + 1./(w1*lmbda) + 1./(w2*lmbda) + 1./(w3*lmbda))
+ *     # structural = delta ** (dist**1)
+ *     structural = delta * lmbda**(dist-1)
  *     temporal = log(exp(alpha/t_scale)-1.) - alpha*dt/t_scale             # <<<<<<<<<<<<<<
  *     # temporal = 1. / (1. + (dt - 1.)/alpha)**0.01 - 1. / (1. + dt/alpha)**0.01
  *     result = log(structural) + temporal
@@ -1447,7 +1445,7 @@ static __pyx_t_2ml_DTYPE_t __pyx_f_2ml_weight_success(int __pyx_v_dist, int __py
  *     """weight for failed infection, exponential time model"""
  */
 
-static __pyx_t_2ml_DTYPE_t __pyx_f_2ml_weight_failure(int __pyx_v_dist, int __pyx_v_dt, __pyx_t_2ml_DTYPE_t __pyx_v_alpha, __pyx_t_2ml_DTYPE_t __pyx_v_delta, CYTHON_UNUSED __pyx_t_2ml_DTYPE_t __pyx_v_lmbda, __pyx_t_2ml_DTYPE_t __pyx_v_t_scale, CYTHON_UNUSED __pyx_t_2ml_DTYPE_t __pyx_v_w1, CYTHON_UNUSED __pyx_t_2ml_DTYPE_t __pyx_v_w2, CYTHON_UNUSED __pyx_t_2ml_DTYPE_t __pyx_v_w3) {
+static __pyx_t_2ml_DTYPE_t __pyx_f_2ml_weight_failure(int __pyx_v_dist, int __pyx_v_dt, __pyx_t_2ml_DTYPE_t __pyx_v_alpha, __pyx_t_2ml_DTYPE_t __pyx_v_delta, __pyx_t_2ml_DTYPE_t __pyx_v_lmbda, __pyx_t_2ml_DTYPE_t __pyx_v_t_scale, CYTHON_UNUSED __pyx_t_2ml_DTYPE_t __pyx_v_w1, CYTHON_UNUSED __pyx_t_2ml_DTYPE_t __pyx_v_w2, CYTHON_UNUSED __pyx_t_2ml_DTYPE_t __pyx_v_w3) {
   __pyx_t_2ml_DTYPE_t __pyx_v_structural;
   __pyx_t_2ml_DTYPE_t __pyx_v_temporal;
   __pyx_t_2ml_DTYPE_t __pyx_v_result;
@@ -1455,18 +1453,18 @@ static __pyx_t_2ml_DTYPE_t __pyx_f_2ml_weight_failure(int __pyx_v_dist, int __py
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("weight_failure", 0);
 
-  /* "ml.pyx":24
- *     """weight for failed infection, exponential time model"""
+  /* "ml.pyx":25
  *     cdef DTYPE_t structural, temporal, result
- *     structural = delta ** (dist**1)             # <<<<<<<<<<<<<<
- *     # structural = delta/(1. + 1./(w1*lmbda) + 1./(w2*lmbda) + 1./(w3*lmbda))
+ *     # structural = delta ** (dist**1)
+ *     structural = delta * lmbda**(dist-1)             # <<<<<<<<<<<<<<
  *     temporal = exp(-alpha * dt/t_scale)
+ *     # temporal = 1.  - 1. / (1. + dt/alpha)**0.01
  */
-  __pyx_v_structural = pow(__pyx_v_delta, ((__pyx_t_2ml_DTYPE_t)__Pyx_pow_long(((long)__pyx_v_dist), 1)));
+  __pyx_v_structural = (__pyx_v_delta * pow(__pyx_v_lmbda, ((__pyx_t_2ml_DTYPE_t)(__pyx_v_dist - 1))));
 
   /* "ml.pyx":26
- *     structural = delta ** (dist**1)
- *     # structural = delta/(1. + 1./(w1*lmbda) + 1./(w2*lmbda) + 1./(w3*lmbda))
+ *     # structural = delta ** (dist**1)
+ *     structural = delta * lmbda**(dist-1)
  *     temporal = exp(-alpha * dt/t_scale)             # <<<<<<<<<<<<<<
  *     # temporal = 1.  - 1. / (1. + dt/alpha)**0.01
  *     result = log(1. - structural + structural * temporal)
@@ -1477,14 +1475,14 @@ static __pyx_t_2ml_DTYPE_t __pyx_f_2ml_weight_failure(int __pyx_v_dist, int __py
  *     temporal = exp(-alpha * dt/t_scale)
  *     # temporal = 1.  - 1. / (1. + dt/alpha)**0.01
  *     result = log(1. - structural + structural * temporal)             # <<<<<<<<<<<<<<
- *     # if dt>100: result=0
  *     return result
+ * 
  */
   __pyx_v_result = log(((1. - __pyx_v_structural) + (__pyx_v_structural * __pyx_v_temporal)));
 
-  /* "ml.pyx":30
+  /* "ml.pyx":29
+ *     # temporal = 1.  - 1. / (1. + dt/alpha)**0.01
  *     result = log(1. - structural + structural * temporal)
- *     # if dt>100: result=0
  *     return result             # <<<<<<<<<<<<<<
  * 
  * def ml(dict root_victims, dict victims, dict non_victims,
@@ -1506,7 +1504,7 @@ static __pyx_t_2ml_DTYPE_t __pyx_f_2ml_weight_failure(int __pyx_v_dist, int __py
   return __pyx_r;
 }
 
-/* "ml.pyx":32
+/* "ml.pyx":31
  *     return result
  * 
  * def ml(dict root_victims, dict victims, dict non_victims,             # <<<<<<<<<<<<<<
@@ -1554,31 +1552,31 @@ static PyObject *__pyx_pw_2ml_1ml(PyObject *__pyx_self, PyObject *__pyx_args, Py
         case  1:
         if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_victims)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("ml", 1, 6, 6, 1); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("ml", 1, 6, 6, 1); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  2:
         if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_non_victims)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("ml", 1, 6, 6, 2); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("ml", 1, 6, 6, 2); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  3:
         if (likely((values[3] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_alpha)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("ml", 1, 6, 6, 3); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("ml", 1, 6, 6, 3); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  4:
         if (likely((values[4] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_delta)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("ml", 1, 6, 6, 4); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("ml", 1, 6, 6, 4); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  5:
         if (likely((values[5] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_lmbda)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("ml", 1, 6, 6, 5); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("ml", 1, 6, 6, 5); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "ml") < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "ml") < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else if (PyTuple_GET_SIZE(__pyx_args) != 6) {
       goto __pyx_L5_argtuple_error;
@@ -1593,21 +1591,21 @@ static PyObject *__pyx_pw_2ml_1ml(PyObject *__pyx_self, PyObject *__pyx_args, Py
     __pyx_v_root_victims = ((PyObject*)values[0]);
     __pyx_v_victims = ((PyObject*)values[1]);
     __pyx_v_non_victims = ((PyObject*)values[2]);
-    __pyx_v_alpha = __pyx_PyFloat_AsDouble(values[3]); if (unlikely((__pyx_v_alpha == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 33; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
-    __pyx_v_delta = __pyx_PyFloat_AsDouble(values[4]); if (unlikely((__pyx_v_delta == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 33; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
-    __pyx_v_lmbda = __pyx_PyFloat_AsDouble(values[5]); if (unlikely((__pyx_v_lmbda == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 33; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+    __pyx_v_alpha = __pyx_PyFloat_AsDouble(values[3]); if (unlikely((__pyx_v_alpha == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+    __pyx_v_delta = __pyx_PyFloat_AsDouble(values[4]); if (unlikely((__pyx_v_delta == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+    __pyx_v_lmbda = __pyx_PyFloat_AsDouble(values[5]); if (unlikely((__pyx_v_lmbda == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("ml", 1, 6, 6, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("ml", 1, 6, 6, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("ml.ml", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
   return NULL;
   __pyx_L4_argument_unpacking_done:;
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_root_victims), (&PyDict_Type), 1, "root_victims", 1))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_victims), (&PyDict_Type), 1, "victims", 1))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_non_victims), (&PyDict_Type), 1, "non_victims", 1))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_root_victims), (&PyDict_Type), 1, "root_victims", 1))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_victims), (&PyDict_Type), 1, "victims", 1))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_non_victims), (&PyDict_Type), 1, "non_victims", 1))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_r = __pyx_pf_2ml_ml(__pyx_self, __pyx_v_root_victims, __pyx_v_victims, __pyx_v_non_victims, __pyx_v_alpha, __pyx_v_delta, __pyx_v_lmbda);
 
   /* function exit code */
@@ -1730,7 +1728,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
   __pyx_pybuffernd_probs_nv.data = NULL;
   __pyx_pybuffernd_probs_nv.rcbuffer = &__pyx_pybuffer_probs_nv;
 
-  /* "ml.pyx":38
+  /* "ml.pyx":37
  *         DTYPE_t beta, ll, beta_add, max_beta, max_beta_add
  *         list parents, failures, successes
  *     n_roots, n_victims = len(root_victims), len(victims)             # <<<<<<<<<<<<<<
@@ -1739,18 +1737,18 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
  */
   if (unlikely(__pyx_v_root_victims == Py_None)) {
     PyErr_SetString(PyExc_TypeError, "object of type 'NoneType' has no len()");
-    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 38; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 37; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
-  __pyx_t_1 = PyDict_Size(__pyx_v_root_victims); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 38; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyDict_Size(__pyx_v_root_victims); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 37; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   if (unlikely(__pyx_v_victims == Py_None)) {
     PyErr_SetString(PyExc_TypeError, "object of type 'NoneType' has no len()");
-    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 38; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 37; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
-  __pyx_t_2 = PyDict_Size(__pyx_v_victims); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 38; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyDict_Size(__pyx_v_victims); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 37; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_n_roots = __pyx_t_1;
   __pyx_v_n_victims = __pyx_t_2;
 
-  /* "ml.pyx":39
+  /* "ml.pyx":38
  *         list parents, failures, successes
  *     n_roots, n_victims = len(root_victims), len(victims)
  *     n_nodes = 148152             # <<<<<<<<<<<<<<
@@ -1760,7 +1758,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
   __Pyx_INCREF(__pyx_int_148152);
   __pyx_v_n_nodes = __pyx_int_148152;
 
-  /* "ml.pyx":40
+  /* "ml.pyx":39
  *     n_roots, n_victims = len(root_victims), len(victims)
  *     n_nodes = 148152
  *     n_days = 3012             # <<<<<<<<<<<<<<
@@ -1769,7 +1767,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
  */
   __pyx_v_n_days = 3012;
 
-  /* "ml.pyx":41
+  /* "ml.pyx":40
  *     n_nodes = 148152
  *     n_days = 3012
  *     t_scale = 1.             # <<<<<<<<<<<<<<
@@ -1778,43 +1776,43 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
  */
   __pyx_v_t_scale = 1.;
 
-  /* "ml.pyx":43
+  /* "ml.pyx":42
  *     t_scale = 1.
  *     cdef:
  *         np.ndarray[DTYPE_t] probs = np.zeros(n_victims, dtype=DTYPE)             # <<<<<<<<<<<<<<
  *         np.ndarray[DTYPE_t] probs_fail = np.zeros(n_victims, dtype=DTYPE)
  *         np.ndarray[DTYPE_t] parent_dists = np.zeros(n_victims, dtype=DTYPE)
  */
-  __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 43; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 42; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
-  __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_zeros); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 43; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_zeros); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 42; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  __pyx_t_3 = __Pyx_PyInt_From_int(__pyx_v_n_victims); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 43; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = __Pyx_PyInt_From_int(__pyx_v_n_victims); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 42; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 45; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 45; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_t_6 = __Pyx_GetModuleGlobalName(__pyx_n_s_DTYPE); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = __Pyx_GetModuleGlobalName(__pyx_n_s_DTYPE); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 45; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_6);
-  if (PyDict_SetItem(__pyx_t_3, __pyx_n_s_dtype, __pyx_t_6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyDict_SetItem(__pyx_t_3, __pyx_n_s_dtype, __pyx_t_6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 45; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_6 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_5, __pyx_t_3); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 45; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_6);
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   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  if (!(likely(((__pyx_t_6) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_6, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (!(likely(((__pyx_t_6) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_6, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 45; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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     __Pyx_BufFmt_StackElem __pyx_stack[1];
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       __pyx_v_parent_dts = ((PyArrayObject *)Py_None); __Pyx_INCREF(Py_None); __pyx_pybuffernd_parent_dts.rcbuffer->pybuffer.buf = NULL;
-      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 45; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     } else {__pyx_pybuffernd_parent_dts.diminfo[0].strides = __pyx_pybuffernd_parent_dts.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_parent_dts.diminfo[0].shape = __pyx_pybuffernd_parent_dts.rcbuffer->pybuffer.shape[0];
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@@ -1954,48 +1952,48 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
   __pyx_v_parent_dts = ((PyArrayObject *)__pyx_t_6);
   __pyx_t_6 = 0;
 
-  /* "ml.pyx":47
+  /* "ml.pyx":46
  *         np.ndarray[DTYPE_t] parent_dists = np.zeros(n_victims, dtype=DTYPE)
  *         np.ndarray[DTYPE_t] parent_dts = np.zeros(n_victims, dtype=DTYPE)
  *         np.ndarray[DTYPE_t] probs_nv = np.zeros(len(non_victims), dtype=DTYPE)             # <<<<<<<<<<<<<<
  * 
  *     # loop through victims
  */
-  __pyx_t_6 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_6);
-  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_6, __pyx_n_s_zeros); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_6, __pyx_n_s_zeros); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
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     PyErr_SetString(PyExc_TypeError, "object of type 'NoneType' has no len()");
-    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
-  __pyx_t_2 = PyDict_Size(__pyx_v_non_victims); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_2 = PyDict_Size(__pyx_v_non_victims); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_t_6 = PyDict_New(); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = PyDict_New(); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_4 = __Pyx_GetModuleGlobalName(__pyx_n_s_DTYPE); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  if (PyDict_SetItem(__pyx_t_6, __pyx_n_s_dtype, __pyx_t_4) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyDict_SetItem(__pyx_t_6, __pyx_n_s_dtype, __pyx_t_4) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_5, __pyx_t_6); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  if (!(likely(((__pyx_t_4) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_4, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     } else {__pyx_pybuffernd_probs_nv.diminfo[0].strides = __pyx_pybuffernd_probs_nv.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_probs_nv.diminfo[0].shape = __pyx_pybuffernd_probs_nv.rcbuffer->pybuffer.shape[0];
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@@ -2003,7 +2001,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
   __pyx_v_probs_nv = ((PyArrayObject *)__pyx_t_4);
   __pyx_t_4 = 0;
 
-  /* "ml.pyx":50
+  /* "ml.pyx":49
  * 
  *     # loop through victims
  *     for i, parents in enumerate(victims.itervalues()):             # <<<<<<<<<<<<<<
@@ -2014,9 +2012,9 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
   __pyx_t_2 = 0;
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     PyErr_Format(PyExc_AttributeError, "'NoneType' object has no attribute '%s'", "itervalues");
-    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 49; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
-  __pyx_t_6 = __Pyx_dict_iterator(__pyx_v_victims, 1, __pyx_n_s_itervalues, (&__pyx_t_1), (&__pyx_t_13)); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = __Pyx_dict_iterator(__pyx_v_victims, 1, __pyx_n_s_itervalues, (&__pyx_t_1), (&__pyx_t_13)); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 49; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_XDECREF(__pyx_t_4);
   __pyx_t_4 = __pyx_t_6;
@@ -2024,25 +2022,25 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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     if (unlikely(__pyx_t_14 == 0)) break;
-    if (unlikely(__pyx_t_14 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (unlikely(__pyx_t_14 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 49; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
-    if (!(likely(PyList_CheckExact(__pyx_t_6))||((__pyx_t_6) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "list", Py_TYPE(__pyx_t_6)->tp_name), 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (!(likely(PyList_CheckExact(__pyx_t_6))||((__pyx_t_6) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "list", Py_TYPE(__pyx_t_6)->tp_name), 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 49; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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     __pyx_v_i = __pyx_t_12;
     __pyx_t_12 = (__pyx_t_12 + 1);
 
-    /* "ml.pyx":54
+    /* "ml.pyx":53
  *         # fail to infect it, also computes the probability that its most
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  *         failures = [weight_failure(dist, dt, alpha, delta, lmbda, t_scale, w1, w2, w3)             # <<<<<<<<<<<<<<
  *                     for (prnt, dist, dt, w1, w2, w3) in parents]
  *         probs_fail[i] = sum(failures)
  */
-    __pyx_t_6 = PyList_New(0); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyList_New(0); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 53; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
 
-    /* "ml.pyx":55
+    /* "ml.pyx":54
  *         # likely parent infects it
  *         failures = [weight_failure(dist, dt, alpha, delta, lmbda, t_scale, w1, w2, w3)
  *                     for (prnt, dist, dt, w1, w2, w3) in parents]             # <<<<<<<<<<<<<<
@@ -2051,15 +2049,15 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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       PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
-      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     }
     __pyx_t_5 = __pyx_v_parents; __Pyx_INCREF(__pyx_t_5); __pyx_t_15 = 0;
     for (;;) {
       if (__pyx_t_15 >= PyList_GET_SIZE(__pyx_t_5)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_3 = PyList_GET_ITEM(__pyx_t_5, __pyx_t_15); __Pyx_INCREF(__pyx_t_3); __pyx_t_15++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyList_GET_ITEM(__pyx_t_5, __pyx_t_15); __Pyx_INCREF(__pyx_t_3); __pyx_t_15++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_3 = PySequence_ITEM(__pyx_t_5, __pyx_t_15); __pyx_t_15++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PySequence_ITEM(__pyx_t_5, __pyx_t_15); __pyx_t_15++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -2071,7 +2069,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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           else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+            PyObject* item = PySequence_ITEM(sequence, i); if (unlikely(!item)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -2110,7 +2108,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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-        __pyx_t_22 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_22)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_22 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_22)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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         __pyx_t_23 = Py_TYPE(__pyx_t_22)->tp_iternext;
@@ -2119,7 +2117,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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+        if (__Pyx_IternextUnpackEndCheck(__pyx_t_23(__pyx_t_22), 6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __pyx_L8_unpacking_done:;
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-      __pyx_t_14 = __Pyx_PyInt_As_int(__pyx_t_17); if (unlikely((__pyx_t_14 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_14 = __Pyx_PyInt_As_int(__pyx_t_17); if (unlikely((__pyx_t_14 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
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+      __pyx_t_24 = __Pyx_PyInt_As_int(__pyx_t_18); if (unlikely((__pyx_t_24 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -2145,22 +2143,22 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
       __Pyx_XDECREF_SET(__pyx_v_w3, __pyx_t_21);
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-      /* "ml.pyx":54
+      /* "ml.pyx":53
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-      __pyx_t_26 = __pyx_PyFloat_AsDouble(__pyx_v_w2); if (unlikely((__pyx_t_26 == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_25 = __pyx_PyFloat_AsDouble(__pyx_v_w1); if (unlikely((__pyx_t_25 == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 53; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_26 = __pyx_PyFloat_AsDouble(__pyx_v_w2); if (unlikely((__pyx_t_26 == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 53; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_27 = __pyx_PyFloat_AsDouble(__pyx_v_w3); if (unlikely((__pyx_t_27 == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 53; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyFloat_FromDouble(__pyx_f_2ml_weight_failure(__pyx_v_dist, __pyx_v_dt, __pyx_v_alpha, __pyx_v_delta, __pyx_v_lmbda, __pyx_v_t_scale, __pyx_t_25, __pyx_t_26, __pyx_t_27)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 53; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      if (unlikely(__Pyx_ListComp_Append(__pyx_t_6, (PyObject*)__pyx_t_3))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (unlikely(__Pyx_ListComp_Append(__pyx_t_6, (PyObject*)__pyx_t_3))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 53; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      /* "ml.pyx":55
+      /* "ml.pyx":54
  *         # likely parent infects it
  *         failures = [weight_failure(dist, dt, alpha, delta, lmbda, t_scale, w1, w2, w3)
  *                     for (prnt, dist, dt, w1, w2, w3) in parents]             # <<<<<<<<<<<<<<
@@ -2172,38 +2170,38 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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     __pyx_t_6 = 0;
 
-    /* "ml.pyx":56
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  *         successes = [weight_success(dist, dt, alpha, delta, lmbda, t_scale, w1, w2, w3)
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-    __pyx_t_6 = PyTuple_New(1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyTuple_New(1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __pyx_t_5 = __Pyx_PyObject_Call(__pyx_builtin_sum, __pyx_t_6, NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = __Pyx_PyObject_Call(__pyx_builtin_sum, __pyx_t_6, NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __pyx_t_27 = __pyx_PyFloat_AsDouble(__pyx_t_5); if (unlikely((__pyx_t_27 == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "ml.pyx":57
+    /* "ml.pyx":56
  *                     for (prnt, dist, dt, w1, w2, w3) in parents]
  *         probs_fail[i] = sum(failures)
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-    __pyx_t_5 = PyList_New(0); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyList_New(0); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
 
-    /* "ml.pyx":58
+    /* "ml.pyx":57
  *         probs_fail[i] = sum(failures)
  *         successes = [weight_success(dist, dt, alpha, delta, lmbda, t_scale, w1, w2, w3)
  *                      for (prnt, dist, dt, w1, w2, w3) in parents]             # <<<<<<<<<<<<<<
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       PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
-      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     }
     __pyx_t_6 = __pyx_v_parents; __Pyx_INCREF(__pyx_t_6); __pyx_t_15 = 0;
     for (;;) {
       if (__pyx_t_15 >= PyList_GET_SIZE(__pyx_t_6)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_3 = PyList_GET_ITEM(__pyx_t_6, __pyx_t_15); __Pyx_INCREF(__pyx_t_3); __pyx_t_15++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyList_GET_ITEM(__pyx_t_6, __pyx_t_15); __Pyx_INCREF(__pyx_t_3); __pyx_t_15++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_3 = PySequence_ITEM(__pyx_t_6, __pyx_t_15); __pyx_t_15++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PySequence_ITEM(__pyx_t_6, __pyx_t_15); __pyx_t_15++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -2232,7 +2230,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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-          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -2261,7 +2259,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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+            PyObject* item = PySequence_ITEM(sequence, i); if (unlikely(!item)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -2271,7 +2269,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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-        __pyx_t_22 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_22)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_22 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_22)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -2280,7 +2278,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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-        if (__Pyx_IternextUnpackEndCheck(__pyx_t_23(__pyx_t_22), 6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        if (__Pyx_IternextUnpackEndCheck(__pyx_t_23(__pyx_t_22), 6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -2288,12 +2286,12 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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-        {__pyx_filename = __pyx_f[0]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        {__pyx_filename = __pyx_f[0]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      __pyx_t_14 = __Pyx_PyInt_As_int(__pyx_t_20); if (unlikely((__pyx_t_14 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_14 = __Pyx_PyInt_As_int(__pyx_t_20); if (unlikely((__pyx_t_14 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_28 = __Pyx_PyInt_As_int(__pyx_t_19); if (unlikely((__pyx_t_28 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -2306,22 +2304,22 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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-      /* "ml.pyx":57
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  *         dists = [dist for (prnt, dist, dt, w1, w2, w3) in parents]
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-      __pyx_t_25 = __pyx_PyFloat_AsDouble(__pyx_v_w3); if (unlikely((__pyx_t_25 == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_27 = __pyx_PyFloat_AsDouble(__pyx_v_w1); if (unlikely((__pyx_t_27 == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_25 = __pyx_PyFloat_AsDouble(__pyx_v_w3); if (unlikely((__pyx_t_25 == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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  *         for l, s in enumerate(successes):             # <<<<<<<<<<<<<<
@@ -2583,31 +2581,31 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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-      __pyx_t_6 = PyList_GET_ITEM(__pyx_t_5, __pyx_t_15); __Pyx_INCREF(__pyx_t_6); __pyx_t_15++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 63; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PyList_GET_ITEM(__pyx_t_5, __pyx_t_15); __Pyx_INCREF(__pyx_t_6); __pyx_t_15++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_6 = PySequence_ITEM(__pyx_t_5, __pyx_t_15); __pyx_t_15++; if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 63; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PySequence_ITEM(__pyx_t_5, __pyx_t_15); __pyx_t_15++; if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
       __Pyx_XDECREF_SET(__pyx_v_s, __pyx_t_6);
       __pyx_t_6 = 0;
       __pyx_v_l = __pyx_t_14;
       __pyx_t_14 = (__pyx_t_14 + 1);
 
-      /* "ml.pyx":64
+      /* "ml.pyx":63
  *         probs[i] = float("-inf")
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  *             if prob > probs[i]:
  *                 probs[i] = prob
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-      __pyx_t_6 = __Pyx_GetItemInt_List(__pyx_v_failures, __pyx_v_l, int, 1, __Pyx_PyInt_From_int, 1, 1, 0); if (unlikely(__pyx_t_6 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 64; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      __pyx_t_6 = __Pyx_GetItemInt_List(__pyx_v_failures, __pyx_v_l, int, 1, __Pyx_PyInt_From_int, 1, 1, 0); if (unlikely(__pyx_t_6 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 63; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
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-      __pyx_t_3 = PyNumber_Subtract(__pyx_v_s, __pyx_t_6); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 64; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyNumber_Subtract(__pyx_v_s, __pyx_t_6); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 63; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
       __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
       __Pyx_XDECREF_SET(__pyx_v_prob, __pyx_t_3);
       __pyx_t_3 = 0;
 
-      /* "ml.pyx":65
+      /* "ml.pyx":64
  *         for l, s in enumerate(successes):
  *             prob = s - failures[l]
  *             if prob > probs[i]:             # <<<<<<<<<<<<<<
@@ -2616,51 +2614,51 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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       if (__pyx_t_30 < 0) __pyx_t_30 += __pyx_pybuffernd_probs.diminfo[0].shape;
-      __pyx_t_3 = PyFloat_FromDouble((*__Pyx_BufPtrStrided1d(__pyx_t_2ml_DTYPE_t *, __pyx_pybuffernd_probs.rcbuffer->pybuffer.buf, __pyx_t_30, __pyx_pybuffernd_probs.diminfo[0].strides))); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyFloat_FromDouble((*__Pyx_BufPtrStrided1d(__pyx_t_2ml_DTYPE_t *, __pyx_pybuffernd_probs.rcbuffer->pybuffer.buf, __pyx_t_30, __pyx_pybuffernd_probs.diminfo[0].strides))); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 64; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      __pyx_t_6 = PyObject_RichCompare(__pyx_v_prob, __pyx_t_3, Py_GT); __Pyx_XGOTREF(__pyx_t_6); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PyObject_RichCompare(__pyx_v_prob, __pyx_t_3, Py_GT); __Pyx_XGOTREF(__pyx_t_6); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 64; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      __pyx_t_31 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_31 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_31 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_31 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 64; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
       if (__pyx_t_31) {
 
-        /* "ml.pyx":66
+        /* "ml.pyx":65
  *             prob = s - failures[l]
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  *                 parent_dists[i] = dists[l]
  *                 parent_dts[i] = dts[l]
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-        __pyx_t_25 = __pyx_PyFloat_AsDouble(__pyx_v_prob); if (unlikely((__pyx_t_25 == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 66; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_25 = __pyx_PyFloat_AsDouble(__pyx_v_prob); if (unlikely((__pyx_t_25 == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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         *__Pyx_BufPtrStrided1d(__pyx_t_2ml_DTYPE_t *, __pyx_pybuffernd_probs.rcbuffer->pybuffer.buf, __pyx_t_32, __pyx_pybuffernd_probs.diminfo[0].strides) = __pyx_t_25;
 
-        /* "ml.pyx":67
+        /* "ml.pyx":66
  *             if prob > probs[i]:
  *                 probs[i] = prob
  *                 parent_dists[i] = dists[l]             # <<<<<<<<<<<<<<
  *                 parent_dts[i] = dts[l]
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-        __pyx_t_6 = __Pyx_GetItemInt_List(__pyx_v_dists, __pyx_v_l, int, 1, __Pyx_PyInt_From_int, 1, 1, 0); if (unlikely(__pyx_t_6 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+        __pyx_t_6 = __Pyx_GetItemInt_List(__pyx_v_dists, __pyx_v_l, int, 1, __Pyx_PyInt_From_int, 1, 1, 0); if (unlikely(__pyx_t_6 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 66; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
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-        __pyx_t_25 = __pyx_PyFloat_AsDouble(__pyx_t_6); if (unlikely((__pyx_t_25 == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_25 = __pyx_PyFloat_AsDouble(__pyx_t_6); if (unlikely((__pyx_t_25 == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 66; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        /* "ml.pyx":68
+        /* "ml.pyx":67
  *                 probs[i] = prob
  *                 parent_dists[i] = dists[l]
  *                 parent_dts[i] = dts[l]             # <<<<<<<<<<<<<<
  *                 # probs_fail[i] = failures[l]
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-        __pyx_t_6 = __Pyx_GetItemInt_List(__pyx_v_dts, __pyx_v_l, int, 1, __Pyx_PyInt_From_int, 1, 1, 0); if (unlikely(__pyx_t_6 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 68; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+        __pyx_t_6 = __Pyx_GetItemInt_List(__pyx_v_dts, __pyx_v_l, int, 1, __Pyx_PyInt_From_int, 1, 1, 0); if (unlikely(__pyx_t_6 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
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-        __pyx_t_25 = __pyx_PyFloat_AsDouble(__pyx_t_6); if (unlikely((__pyx_t_25 == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 68; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_25 = __pyx_PyFloat_AsDouble(__pyx_t_6); if (unlikely((__pyx_t_25 == (npy_double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
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@@ -2669,7 +2667,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
       }
       __pyx_L23:;
 
-      /* "ml.pyx":63
+      /* "ml.pyx":62
  *         # find parent that maximizes log(p) - log(\tilde{p})
  *         probs[i] = float("-inf")
  *         for l, s in enumerate(successes):             # <<<<<<<<<<<<<<
@@ -2681,7 +2679,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
   }
   __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
-  /* "ml.pyx":72
+  /* "ml.pyx":71
  * 
  *     # loop through non-victims
  *     for i, parents in enumerate(non_victims.itervalues()):             # <<<<<<<<<<<<<<
@@ -2692,9 +2690,9 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
   __pyx_t_1 = 0;
   if (unlikely(__pyx_v_non_victims == Py_None)) {
     PyErr_Format(PyExc_AttributeError, "'NoneType' object has no attribute '%s'", "itervalues");
-    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 72; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 71; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
-  __pyx_t_5 = __Pyx_dict_iterator(__pyx_v_non_victims, 1, __pyx_n_s_itervalues, (&__pyx_t_2), (&__pyx_t_13)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 72; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = __Pyx_dict_iterator(__pyx_v_non_victims, 1, __pyx_n_s_itervalues, (&__pyx_t_2), (&__pyx_t_13)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 71; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_5);
   __Pyx_XDECREF(__pyx_t_4);
   __pyx_t_4 = __pyx_t_5;
@@ -2702,25 +2700,25 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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     if (unlikely(__pyx_t_14 == 0)) break;
-    if (unlikely(__pyx_t_14 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 72; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (unlikely(__pyx_t_14 == -1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 71; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
-    if (!(likely(PyList_CheckExact(__pyx_t_5))||((__pyx_t_5) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "list", Py_TYPE(__pyx_t_5)->tp_name), 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 72; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (!(likely(PyList_CheckExact(__pyx_t_5))||((__pyx_t_5) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "list", Py_TYPE(__pyx_t_5)->tp_name), 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 71; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_XDECREF_SET(__pyx_v_parents, ((PyObject*)__pyx_t_5));
     __pyx_t_5 = 0;
     __pyx_v_i = __pyx_t_12;
     __pyx_t_12 = (__pyx_t_12 + 1);
 
-    /* "ml.pyx":75
+    /* "ml.pyx":74
  *         # for each non victim node, compute the probability that all its
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  *                     for (prnt, dist, dt, w1, w2, w3) in parents]
  *         probs_nv[i] = sum(failures)
  */
-    __pyx_t_5 = PyList_New(0); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyList_New(0); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 74; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
 
-    /* "ml.pyx":76
+    /* "ml.pyx":75
  *         # parents fail to infect it
  *         failures = [weight_failure(dist, dt, alpha, delta, lmbda, t_scale, w1, w2, w3)
  *                     for (prnt, dist, dt, w1, w2, w3) in parents]             # <<<<<<<<<<<<<<
@@ -2729,15 +2727,15 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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       PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
-      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 76; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     }
     __pyx_t_6 = __pyx_v_parents; __Pyx_INCREF(__pyx_t_6); __pyx_t_15 = 0;
     for (;;) {
       if (__pyx_t_15 >= PyList_GET_SIZE(__pyx_t_6)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_3 = PyList_GET_ITEM(__pyx_t_6, __pyx_t_15); __Pyx_INCREF(__pyx_t_3); __pyx_t_15++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 76; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyList_GET_ITEM(__pyx_t_6, __pyx_t_15); __Pyx_INCREF(__pyx_t_3); __pyx_t_15++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
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+      __pyx_t_3 = PySequence_ITEM(__pyx_t_6, __pyx_t_15); __pyx_t_15++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -2749,7 +2747,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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           else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 76; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -2778,7 +2776,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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+            PyObject* item = PySequence_ITEM(sequence, i); if (unlikely(!item)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -2788,7 +2786,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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-        __pyx_t_22 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_22)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 76; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_22 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_22)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -2797,7 +2795,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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-        if (__Pyx_IternextUnpackEndCheck(__pyx_t_23(__pyx_t_22), 6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 76; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        if (__Pyx_IternextUnpackEndCheck(__pyx_t_23(__pyx_t_22), 6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -2805,12 +2803,12 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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@@ -3163,7 +3161,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
     __pyx_t_31 = ((__pyx_v_beta_add > __pyx_v_max_beta_add) != 0);
     if (__pyx_t_31) {
 
-      /* "ml.pyx":98
+      /* "ml.pyx":97
  * 
  *         if beta_add > max_beta_add:
  *             max_beta = beta             # <<<<<<<<<<<<<<
@@ -3172,7 +3170,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
  */
       __pyx_v_max_beta = __pyx_v_beta;
 
-      /* "ml.pyx":99
+      /* "ml.pyx":98
  *         if beta_add > max_beta_add:
  *             max_beta = beta
  *             max_roots = roots             # <<<<<<<<<<<<<<
@@ -3181,7 +3179,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
  */
       __pyx_v_max_roots = __pyx_v_roots;
 
-      /* "ml.pyx":100
+      /* "ml.pyx":99
  *             max_beta = beta
  *             max_roots = roots
  *             max_beta_add = beta_add             # <<<<<<<<<<<<<<
@@ -3190,16 +3188,16 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
  */
       __pyx_v_max_beta_add = __pyx_v_beta_add;
 
-      /* "ml.pyx":101
+      /* "ml.pyx":100
  *             max_roots = roots
  *             max_beta_add = beta_add
  *             pdists = (parent_dists[non_seeds]).mean()             # <<<<<<<<<<<<<<
  *             pdts = (parent_dts[non_seeds]).mean()
  *             # print 'beta:', max_beta, 'add:', max_beta_add, 'roots:', max_roots
  */
-      __pyx_t_4 = PyObject_GetItem(((PyObject *)__pyx_v_parent_dists), __pyx_v_non_seeds); if (unlikely(__pyx_t_4 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      __pyx_t_4 = PyObject_GetItem(((PyObject *)__pyx_v_parent_dists), __pyx_v_non_seeds); if (unlikely(__pyx_t_4 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
       __Pyx_GOTREF(__pyx_t_4);
-      __pyx_t_21 = __Pyx_PyObject_GetAttrStr(__pyx_t_4, __pyx_n_s_mean); if (unlikely(!__pyx_t_21)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_21 = __Pyx_PyObject_GetAttrStr(__pyx_t_4, __pyx_n_s_mean); if (unlikely(!__pyx_t_21)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_21);
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       __pyx_t_4 = NULL;
@@ -3213,26 +3211,26 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
         }
       }
       if (__pyx_t_4) {
-        __pyx_t_20 = __Pyx_PyObject_CallOneArg(__pyx_t_21, __pyx_t_4); if (unlikely(!__pyx_t_20)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_20 = __Pyx_PyObject_CallOneArg(__pyx_t_21, __pyx_t_4); if (unlikely(!__pyx_t_20)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       } else {
-        __pyx_t_20 = __Pyx_PyObject_CallNoArg(__pyx_t_21); if (unlikely(!__pyx_t_20)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_20 = __Pyx_PyObject_CallNoArg(__pyx_t_21); if (unlikely(!__pyx_t_20)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
       __Pyx_GOTREF(__pyx_t_20);
       __Pyx_DECREF(__pyx_t_21); __pyx_t_21 = 0;
       __Pyx_XDECREF_SET(__pyx_v_pdists, __pyx_t_20);
       __pyx_t_20 = 0;
 
-      /* "ml.pyx":102
+      /* "ml.pyx":101
  *             max_beta_add = beta_add
  *             pdists = (parent_dists[non_seeds]).mean()
  *             pdts = (parent_dts[non_seeds]).mean()             # <<<<<<<<<<<<<<
  *             # print 'beta:', max_beta, 'add:', max_beta_add, 'roots:', max_roots
  * 
  */
-      __pyx_t_21 = PyObject_GetItem(((PyObject *)__pyx_v_parent_dts), __pyx_v_non_seeds); if (unlikely(__pyx_t_21 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      __pyx_t_21 = PyObject_GetItem(((PyObject *)__pyx_v_parent_dts), __pyx_v_non_seeds); if (unlikely(__pyx_t_21 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
       __Pyx_GOTREF(__pyx_t_21);
-      __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_21, __pyx_n_s_mean); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_21, __pyx_n_s_mean); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
       __Pyx_DECREF(__pyx_t_21); __pyx_t_21 = 0;
       __pyx_t_21 = NULL;
@@ -3246,10 +3244,10 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
         }
       }
       if (__pyx_t_21) {
-        __pyx_t_20 = __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_21); if (unlikely(!__pyx_t_20)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_20 = __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_21); if (unlikely(!__pyx_t_20)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_21); __pyx_t_21 = 0;
       } else {
-        __pyx_t_20 = __Pyx_PyObject_CallNoArg(__pyx_t_4); if (unlikely(!__pyx_t_20)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_20 = __Pyx_PyObject_CallNoArg(__pyx_t_4); if (unlikely(!__pyx_t_20)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       __Pyx_GOTREF(__pyx_t_20);
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
@@ -3259,7 +3257,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
     }
     __pyx_L32:;
 
-    /* "ml.pyx":85
+    /* "ml.pyx":84
  *     max_beta_add = float('-inf')
  *     # iterate over all victim nodes to find the optimal threshold
  *     for beta in np.arange(0.01, 1., 0.01):             # <<<<<<<<<<<<<<
@@ -3269,7 +3267,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
   }
   __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
 
-  /* "ml.pyx":105
+  /* "ml.pyx":104
  *             # print 'beta:', max_beta, 'add:', max_beta_add, 'roots:', max_roots
  * 
  *     ll += max_beta_add             # <<<<<<<<<<<<<<
@@ -3278,7 +3276,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
  */
   __pyx_v_ll = (__pyx_v_ll + __pyx_v_max_beta_add);
 
-  /* "ml.pyx":106
+  /* "ml.pyx":105
  * 
  *     ll += max_beta_add
  *     roots = max_roots             # <<<<<<<<<<<<<<
@@ -3287,7 +3285,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
  */
   __pyx_v_roots = __pyx_v_max_roots;
 
-  /* "ml.pyx":107
+  /* "ml.pyx":106
  *     ll += max_beta_add
  *     roots = max_roots
  *     beta = max_beta             # <<<<<<<<<<<<<<
@@ -3296,15 +3294,15 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
  */
   __pyx_v_beta = __pyx_v_max_beta;
 
-  /* "ml.pyx":108
+  /* "ml.pyx":107
  *     roots = max_roots
  *     beta = max_beta
  *     print 'dist:', pdists             # <<<<<<<<<<<<<<
  *     print 'dt:', pdts
  *     return (beta, roots, ll)
  */
-  if (unlikely(!__pyx_v_pdists)) { __Pyx_RaiseUnboundLocalError("pdists"); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
-  __pyx_t_6 = PyTuple_New(2); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__pyx_v_pdists)) { __Pyx_RaiseUnboundLocalError("pdists"); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+  __pyx_t_6 = PyTuple_New(2); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_INCREF(__pyx_kp_s_dist);
   PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_kp_s_dist);
@@ -3312,17 +3310,17 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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   PyTuple_SET_ITEM(__pyx_t_6, 1, __pyx_v_pdists);
   __Pyx_GIVEREF(__pyx_v_pdists);
-  if (__Pyx_Print(0, __pyx_t_6, 1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_Print(0, __pyx_t_6, 1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
 
-  /* "ml.pyx":109
+  /* "ml.pyx":108
  *     beta = max_beta
  *     print 'dist:', pdists
  *     print 'dt:', pdts             # <<<<<<<<<<<<<<
  *     return (beta, roots, ll)
  */
-  if (unlikely(!__pyx_v_pdts)) { __Pyx_RaiseUnboundLocalError("pdts"); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
-  __pyx_t_6 = PyTuple_New(2); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__pyx_v_pdts)) { __Pyx_RaiseUnboundLocalError("pdts"); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+  __pyx_t_6 = PyTuple_New(2); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_INCREF(__pyx_kp_s_dt);
   PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_kp_s_dt);
@@ -3330,22 +3328,22 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
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   PyTuple_SET_ITEM(__pyx_t_6, 1, __pyx_v_pdts);
   __Pyx_GIVEREF(__pyx_v_pdts);
-  if (__Pyx_Print(0, __pyx_t_6, 1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_Print(0, __pyx_t_6, 1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
 
-  /* "ml.pyx":110
+  /* "ml.pyx":109
  *     print 'dist:', pdists
  *     print 'dt:', pdts
  *     return (beta, roots, ll)             # <<<<<<<<<<<<<<
  */
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_6 = PyFloat_FromDouble(__pyx_v_beta); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = PyFloat_FromDouble(__pyx_v_beta); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_6);
-  __pyx_t_20 = __Pyx_PyInt_From_int(__pyx_v_roots); if (unlikely(!__pyx_t_20)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_20 = __Pyx_PyInt_From_int(__pyx_v_roots); if (unlikely(!__pyx_t_20)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_20);
-  __pyx_t_4 = PyFloat_FromDouble(__pyx_v_ll); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyFloat_FromDouble(__pyx_v_ll); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
-  __pyx_t_21 = PyTuple_New(3); if (unlikely(!__pyx_t_21)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_21 = PyTuple_New(3); if (unlikely(!__pyx_t_21)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_21);
   PyTuple_SET_ITEM(__pyx_t_21, 0, __pyx_t_6);
   __Pyx_GIVEREF(__pyx_t_6);
@@ -3360,7 +3358,7 @@ static PyObject *__pyx_pf_2ml_ml(CYTHON_UNUSED PyObject *__pyx_self, PyObject *_
   __pyx_t_21 = 0;
   goto __pyx_L0;
 
-  /* "ml.pyx":32
+  /* "ml.pyx":31
  *     return result
  * 
  * def ml(dict root_victims, dict victims, dict non_victims,             # <<<<<<<<<<<<<<
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 };
 static int __Pyx_InitCachedBuiltins(void) {
-  __pyx_builtin_enumerate = __Pyx_GetBuiltinName(__pyx_n_s_enumerate); if (!__pyx_builtin_enumerate) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_sum = __Pyx_GetBuiltinName(__pyx_n_s_sum); if (!__pyx_builtin_sum) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_enumerate = __Pyx_GetBuiltinName(__pyx_n_s_enumerate); if (!__pyx_builtin_enumerate) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 49; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_sum = __Pyx_GetBuiltinName(__pyx_n_s_sum); if (!__pyx_builtin_sum) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_builtin_ValueError = __Pyx_GetBuiltinName(__pyx_n_s_ValueError); if (!__pyx_builtin_ValueError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_builtin_range = __Pyx_GetBuiltinName(__pyx_n_s_range); if (!__pyx_builtin_range) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 231; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_builtin_RuntimeError = __Pyx_GetBuiltinName(__pyx_n_s_RuntimeError); if (!__pyx_builtin_RuntimeError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 802; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
@@ -5542,14 +5540,14 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__Pyx_InitCachedConstants", 0);
 
-  /* "ml.pyx":85
+  /* "ml.pyx":84
  *     max_beta_add = float('-inf')
  *     # iterate over all victim nodes to find the optimal threshold
  *     for beta in np.arange(0.01, 1., 0.01):             # <<<<<<<<<<<<<<
  *         thresh = log(beta/(n_days*(1.-beta)))
  *         seeds = probs<thresh
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-  __pyx_tuple_ = PyTuple_Pack(3, __pyx_float_0_01, __pyx_float_1_, __pyx_float_0_01); if (unlikely(!__pyx_tuple_)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 85; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_tuple_ = PyTuple_Pack(3, __pyx_float_0_01, __pyx_float_1_, __pyx_float_0_01); if (unlikely(!__pyx_tuple_)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 84; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -5619,17 +5617,17 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_tuple__7);
   __Pyx_GIVEREF(__pyx_tuple__7);
 
-  /* "ml.pyx":32
+  /* "ml.pyx":31
  *     return result
  * 
  * def ml(dict root_victims, dict victims, dict non_victims,             # <<<<<<<<<<<<<<
  *        DTYPE_t alpha, DTYPE_t delta, DTYPE_t lmbda):
  *     cdef:
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@@ -5771,16 +5769,16 @@ PyMODINIT_FUNC PyInit_ml(void)
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   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "ml.pyx":32
+  /* "ml.pyx":31
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  * 
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@@ -7473,30 +7471,6 @@ bad:
     return module;
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