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| author | Ben Green <bgreen@g.harvard.edu> | 2015-09-14 23:19:34 -0400 |
|---|---|---|
| committer | Ben Green <bgreen@g.harvard.edu> | 2015-09-14 23:19:37 -0400 |
| commit | 58faa01748fe0e6f6d040d1296266d17bd7a3543 (patch) | |
| tree | b1a2bf0709ec3d4c252d90c4dba8e42b3057c91b /R Scripts/predict-victims.R | |
| parent | ab0b1f3cefedb35327a19ec1b6afd560bfdf802d (diff) | |
| download | criminal_cascades-58faa01748fe0e6f6d040d1296266d17bd7a3543.tar.gz | |
prediction and plotting cascades
Diffstat (limited to 'R Scripts/predict-victims.R')
| -rw-r--r-- | R Scripts/predict-victims.R | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/R Scripts/predict-victims.R b/R Scripts/predict-victims.R index fc6cb7f..ccf894a 100644 --- a/R Scripts/predict-victims.R +++ b/R Scripts/predict-victims.R @@ -47,7 +47,7 @@ days = Reduce(union, list(lcc_verts$fatal_day,lcc_verts$nonfatal_day_1, lcc_verts$nonfatal_day_4,lcc_verts$nonfatal_day_5)) days = days[!is.na(days)] days = sort(days) -days = split(days, ceiling(seq_along(days)/456)) +days = split(days, ceiling(seq_along(days)/92)) lambdas = c(0, exp(seq(log(0.0000001), log(.95), length.out=100)), 1) ##### Loop through days @@ -60,9 +60,7 @@ for(i in 1:length(days)){ ##### Demographics model victims = lcc_verts - vics = which(victims$vic.day<day) - vic.days = victims$vic.day[vics] victims$age[-vics] = as.numeric(start_date + day - 1 - as.Date(victims$dob[-vics])) victims$arrests[-vics] = unlist(lapply(prior_arrests[-vics],nArrests,day=day)) @@ -86,7 +84,7 @@ for(i in 1:length(days)){ irs = lcc_verts$ir_no[ids] risk = data.table(id=ids, ir=irs, weight=weights) - if (dim(risk)[1]>0) risk = risk[, list(weight=sum(weight)), by=ir] # max or sum + if (dim(risk)[1]>0) risk = risk[, list(weight=sum(weight)), by=ir] ##### Combined Model combined = dt @@ -108,4 +106,4 @@ for(i in 1:length(days)){ print(proc.time()-ptm) } -# save(correct_rank, file='Results/correct_rank_62815.RData')
\ No newline at end of file +# save(correct_rank, file='Results/correct_rank_91415.RData')
\ No newline at end of file |