On Tue, 10 Sep 2019 at 04:20, smart hendsome via R-help <
r-help@r-project.org> wrote:
>
> Hi R-user,
> I have a problem regarding R. How can I move my 2nd column into 1st
column. For example I have data as below:
> mydf <- data.frame(matrix(1:6, ncol = 2))
> mydf
> X1 X2 1 4 2 5 3 6
> I want move my 2nd column become like this:
> X1 1 2 3 4 5 6
> Hope anyone can help me. Many thanks.
I am not sure I understand your problem, but try:
mydf <- data.frame(matrix(1:6, ncol = 2, byrow = TRUE))
Regards
Martin
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