1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
library(igraph)
setwd("~/Documents/Cascade Project/")
load('Results/hyper-lcc.RData')
vic_ids = which(V(hyp_lcc)$vic==TRUE)
edgeWeights = function(eis){return(c(hyp_lcc_edges$weight[eis],Inf,Inf)[1:3])}
dag_dat_all = data.frame(matrix(nrow=1,ncol=8))
hyp_lcc2 = remove.edge.attribute(hyp_lcc,'weight')
ei = 1
ptm=proc.time()
for (u in vic_ids){
if ((which(vic_ids==u) %% 1000)==0) print(which(vic_ids==u))
tu = hyp_lcc_verts$vic.day[u]
u_spawn = hyp_lcc_verts$spawn.date[u]
nbhd = unlist(neighborhood(hyp_lcc,nodes=u,order=3)) # get nodes within neighborhood
nbhd = nbhd[-1] # don't want to include u in the neighborhood
tvs = hyp_lcc_verts$vic.day[nbhd]
v_spawn = hyp_lcc_verts$spawn.date[nbhd]
nbhd = nbhd[tu>v_spawn & (is.na(tvs) | tu<tvs)]
tvs = hyp_lcc_verts$vic.day[nbhd]
dists = as.numeric(shortest.paths(hyp_lcc2,u,nbhd))
es = get.shortest.paths(hyp_lcc2,u,nbhd,output='epath')$epath
weights = matrix(unlist(lapply(es,edgeWeights),use.names = F),ncol=3,byrow=T)
#will be faster to pre-allocate and fill in rather than rbind each time
dag_dat_all[ei:(ei+length(nbhd)-1),] = data.frame(rep(u,length(nbhd)), nbhd,
rep(tu,length(nbhd)), tvs, dists,
weights, row.names=NULL)
ei = ei + length(nbhd)
}
print(proc.time()-ptm) #3.5 hours
colnames(dag_dat_all) = c('from','to','t1','t2','dist','w1','w2','w3')
rownames(dag_dat_all) = NULL
dag_dat_all$spawn1 = hyp_lcc_verts$spawn.date[dag_dat_all$from]
dag_dat_all$spawn2 = hyp_lcc_verts$spawn.date[dag_dat_all$to]
save(dag_dat_all, file='Results/dag_dat_all.RData')
write.csv(dag_dat_all, file='Results/dag_dat_all.csv')
dag_dat_vics = dag_dat_all[!is.na(dag_dat_all$t2),]
save(dag_dat_vics, file='Results/dag_dat_vics.RData')
write.csv(dag_dat_vics, file='Results/dag_dat_vics.csv')
|