Message-ID: <3A822319EB35174CA3714066D590DCD504AF81B7@usrymx25.merck.com>
Date: 2004-08-06T14:09:17Z
From: Liaw, Andy
Subject: list of frames without first element
> 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
> Fiskiranns??knarstovan
> N??at??n 1
> P.O. Box 3051
> FR-110 T??rshavn
> 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
>
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