[R] Sorting / editing a table
daniel at umd.edu
Thu Jul 10 12:36:58 CEST 2008
in the R prompt and hit enter
you will have to put the yes (or the no) in " " in your ifelse command.
Jörg Groß wrote:
> I have a problem sorting a table;
> When I read a table into R by x <- read.table() I get something like
> V1 V2 V3
> yes 1 3
> no 2 6
> yes 3 9
> no 4 12
> Now I want to generate a vector of V2.
> But R should only put in the numbers of V2 into the new vector when
> there is the entry "yes" in V1.
> How can I realize that?
> Thanks for help. I am getting crazy trying to solve that ...
> R-help at r-project.org mailing list
> PLEASE do read the posting guide
> and provide commented, minimal, self-contained, reproducible code.
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