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2009 Nov 09
0
how to stop a loop in a sampling
...ix(data=c(1,1.22,1.32,1, 1.53, 2.34,1, 1.21, 1.37,1, 1.52, 2.35,2, 0.21, 3.33,2, 0.23, 3.35,3, 1.57, 1.31,3, 1.59, 1.33),nrow=8,ncol=3,byrow=TRUE) data2<-data.frame(data2);names(data2)<-c("areaid","x1","y1") id<-unique(data1$areaid) for (n in id) { data1_n<-data1[data1$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.see...