[R] Using all variables in a linear model

[Gabor Grothendieck]

lm can take a data frame whose first column is the response so:

lm(rev(x))


On Tue, Apr 20, 2010 at 6:12 PM, Walter Yund IV <wyundiv at gmail.com> wrote:
> Hello,
>
> I am trying to automate linear regression for many different datasets, each
> with the same rough format (the last variable is the response).  I've been
> doing something like this:
>
>  lm=lm(x[,dim(x)[2]] ~ ., data=x)
>
> where the dot denotes all variables.  However, this means that the response
> is included as a predictor, which is obviously what I don't want.  How do I
> request that all the columns in my dataset be used as predictors, except for
> the response?
>
> Thanks,
>
> Walter
>
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>
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