search for: doubledata

Displaying 1 result from an estimated 1 matches for "doubledata".

2003 Apr 21
3
index after rbind
...ther way to concatenate the data (it looks like merge only works by columns)? Here is an example of the "double" index. >numbers<-(1:5) >letters<-matrix(c("a","b","c","d","e"),5,1) >data<-data.frame(letters,numbers) >doubledata<-rbind(data,data) > doubledata letters numbers 1 a 1 2 b 2 3 c 3 4 d 4 5 e 5 11 a 1 22 b 2 33 c 3 44 d 4 55 e 5