Message-ID: <40805827C15@let.ish-lyon.cnrs.fr>
Date: 2000-11-24T09:41:29Z
From: Charles Raux
Subject: groupe averages error
I want to get subsets averaged on numeric variables number 5:13 but I
get the error below that I cannot understand.
> is.factor(dat$Statut)
[1] TRUE
> s<-ave(dat[,5:13],dat$Statut)
Error in [<-.data.frame(*tmp*, , value = if (n) { :
Argument "i" is missing, with no default
Thanks in advance
---------------
Charles RAUX,
Laboratoire d'Economie des Transports
CNRS-Universit? Lumi?re Lyon 2-ENTPE
email : charles.raux at let.ish-lyon.cnrs.fr
http://www.ish-lyon.cnrs.fr/let
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