[R] create data set from selection of rows

[nblarson]

Try using which()

Something like data.frame(dataset[which(dataset[,3]=="text3"),])


e-letter wrote:
> 
> Readers,
> 
> For a data set:
> 
> text1,23,text2,45
> text1,23,text3,78
> text1,23,text3,56
> text1,23,text2,45
> 
> The following command was entered:
> 
> datasubset<-data.frame(dataset[,3]=="text3")
> 
> The result of
> 
> datasubset
> 
> is
> 
> TRUE
> TRUE
> 
> The required result is
> 
> text1,23,text3,78
> text1,23,text3,56
> 
> What is the correct command to use please?
> 
> Thanks in advance.
> 
> ______________________________________________
> 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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