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2009 Nov 09
0
how to stop a loop in a sampling
...[data1$areaid==n,] data2_n<-data2[data2$areaid==n,] leg1_n<-length(data1_n$areaid) leg2_n<-length(data2_n$areaid) if (leg1_n=1) merge(data1_n,data2_n,by.x="areaid",by.y="areaid") else { #leg1_n=1>=2 #leg1_1=2 and leg2_1=4 for areaid=1 set.seed(1000) samp1_n<-sample(c(1:leg1_n),1, replace = FALSE) data1_n_samp1<-data1_n[samp1_n,] samp2_n<-sample(c(1:leg2_n),2, replace = FALSE) data2_n_samp2<-data2_n[samp2_n,] merge(data1_n_samp1,data2_n_samp2,by.x="areaid",by.y="areaid") #need to continue to sample from the rem...