library(data.table)
#table "données"
DataTot=fread("C:/wamp64/www/export180227.txt")
Sys.time()
colnames(DataTot)[10]="temps_fin"
Doublons=duplicated(DataTot,by=c("donnee","espece","temps_debut","temps_fin"))
DataDoublons=subset(DataTot,Doublons==T)
PartDoublons=subset(levels(as.factor(DataTot$participation))
,levels(as.factor(DataTot$participation)) %in% DataDoublons$participation)
####A FINIR####
for (i in 1:length(PartDoublons))
{
}
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