[R] Sorting / editing a table

[Daniel Malter]

Type

?ifelse

in the R prompt and hit enter

you will have to put the yes (or the no) in " " in your ifelse command.

Best,
Daniel


Jörg Groß wrote:
> 
> Hi,
> 
> I have a problem sorting a table;
> 
> When I read a table into R by x <- read.table() I get something like  
> this:
> 
> 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
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 
> 

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