Hello,
Assuming that I have a data frame
A<-data.frame(A=c(10,100,1000,30,50,60,300),
B=c(0,1,1,1,0,0,0),
C=c(0,0,0,0,1,1,0),
D=c(1,0,0,0,0,0,1))
What I would like is to introduce a new column Variable such that:
A<-data.frame(A=c(10,100,1000,30,50,60,300),
B=c(0,1,1,1,0,0,0),
C=c(0,0,0,0,1,1,0),
D=c(1,0,0,0,0,0,1),
Variable=c(D,B,B,B,C,C,D))
How can I do it?
Best
IOanna
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