Re: [R] create data set from selection of rows

From: nblarson <nblarson_at_gmail.com>
Date: Tue, 15 Mar 2011 08:14:44 -0700 (PDT)

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.
>

--
View this message in context: http://r.789695.n4.nabble.com/create-data-set-from-selection-of-rows-tp3356866p3356879.html
Sent from the R help mailing list archive at Nabble.com.

______________________________________________
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.
Received on Tue 15 Mar 2011 - 15:56:18 GMT

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.2.0, at Tue 15 Mar 2011 - 16:00:21 GMT.

Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help. Please read the posting guide before posting to the list.

list of date sections of archive