What is the problem? One or more of your columns was read as factor, as
str(data)
would show you. To avoid this, you can add stringsAsFactors=FALSE to
the read.table command, but if you expect your data to be entirely
numeric then there's something wrong with it that you need to hunt
down.
Sarah
On Mon, Apr 20, 2015 at 12:33 PM, Sonia Amin <soniaam...@gmail.com> wrote:
> Dear All,
>
> I have written the following lines:
>
>
> data<-read.table("C:\\Users\\intel\\Documents\\SIIID\\datamultiplereg.txt",header
> = FALSE, sep = "")
> colnames(data)<-c("Consommation","Cylindre","Puissance","Poids")
> result.model1<-lm(Consommation~Cylindre+Puissance+Poids, data=data)
> summary(result.model1)
>
> I obtained the following message:
>
>
> Call:
> lm(formula = Consommation ~ Cylindre + Puissance + Poids, data = data)
>
> Residuals:
> Error in quantile.default(resid) : factors are not allowed
> In addition: warning message:
> In Ops.factor(r, 2) :
> ‘^’ This is not relevant for factors
>
>
> Where is the problem?
> Thank you in advance
>
--
Sarah Goslee
http://www.functionaldiversity.org
______________________________________________
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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.
