Hi everyone.

I have three dataframes (A, B and C). B and C are subsets of the rows of A, for example...

> A<-as.data.frame(cbind(1:5,21:25))
> A
  V1 V2
1  1 21
2  2 22
3  3 23
4  4 24
5  5 25

> B<-A[1:4,]
> B
  V1 V2
1  1 21
2  2 22
3  3 23
4  4 24


> C<-A[3:5,]
> C
  V1 V2
3  3 23
4  4 24
5  5 25



I also have a single value called x
> x<-2

Basically I want to evaluate x and if it equals 2, then replace A with B, and otherwise replace A with C. However, when I attempt this, the new version of A is only a subset of the desired dataframe. For example.

>
> A<-ifelse(x==2,B,C)
> A
[[1]]
[1] 1 2 3 4

I'm sure this is simple, but haven't found a solution and would appreciate a tip.

Thanks

Terry Beutel


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