[R] list of frames without first element
Liaw, Andy
andy_liaw at merck.com
Fri Aug 6 16:09:17 CEST 2004
> From: Luis Rideau Cruz
>
> R-help,
>
> I have a list of several data frames.
>
> I want to compute the "rowSums" of the columns of these data
> frames but first one.
>
> Something like this
>
> lapply(my.list,rowSums)
You're almost there:
lapply(my.list, function(x) rowSums(x[-1]))
Andy
> Thank you
>
>
> Luis Ridao Cruz
> Fiskirannsóknarstovan
> Nóatún 1
> P.O. Box 3051
> FR-110 Tórshavn
> Faroe Islands
> Phone: +298 353900
> Phone(direct): +298 353912
> Mobile: +298 580800
> Fax: +298 353901
> E-mail: luisr at frs.fo
> Web: www.frs.fo
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://www.stat.math.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide!
> http://www.R-project.org/posting-guide.html
>
>
More information about the R-help
mailing list