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2008 Mar 18
1
ask for help how to get accumulate contingency table?
Hi, I post the question again.
x<-rep(c(2,3,4),20)
y<-sample(rep(c(0,1),30))
tr<-rep(c(1:5),6)
data1<-data.frame(x,y,tr)
data1<-data1[order(data1$tr),]
> data1
x y tr
2 1 1
4 0 1
3 1 1
2 1 1
4 1 1
3 1 1
2 0 1
4 0 1
3 0 1
2 0 1
4 0 1
3 1 1
3 0 2
2 0 2
>table(data1)
tr = 1
y
x 0 1
2 2 2
3 1 3
4 3 1
tr = 2
y
x 0 1
2 2 2
3 2 2
4 1 3