[R] Selecting first 7 elements

Kang Min ngokangmin at gmail.com
Sun May 30 05:37:29 CEST 2010


What if I want to select the 8th to 14th element of the list? I tried
to use "[" again, but it doesn't work.

>
>
> > > "[" is a function, and you want to use it on each element of the list,
> > > so...
>
> > > lapply(x, "[", c(1:7))
>
> > and the call to c() is of course not necessary, since ":" will generate a vector.
>
> > ______________________________________________
> > R-h... at r-project.org mailing listhttps://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
> > --
> > You received this message because you are subscribed to the Google Groups "R-help-archive" group.
> > To post to this group, send email to r-help-archive at googlegroups.com.
> > To unsubscribe from this group, send email to r-help-archive+unsubscribe at googlegroups.com.
> > For more options, visit this group athttp://groups.google.com/group/r-help-archive?hl=en.
>
> ______________________________________________
> R-h... at r-project.org mailing listhttps://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
> --
> You received this message because you are subscribed to the Google Groups "R-help-archive" group.
> To post to this group, send email to r-help-archive at googlegroups.com.
> To unsubscribe from this group, send email to r-help-archive+unsubscribe at googlegroups.com.
> For more options, visit this group athttp://groups.google.com/group/r-help-archive?hl=en.



More information about the R-help mailing list