[R] variances of values predicted using a lm object
Rajarshi Guha
rxg218 at psu.edu
Thu Feb 12 21:06:57 CET 2004
On Thu, 2004-02-12 at 14:50, Sundar Dorai-Raj wrote:
> Rajarshi Guha wrote:
> > Hi,
> > is there a function in R that will give me the variances of a
> > predicted values obtained using predict.lm().
> From ?predict.lm:
>
> <quote>
> Details:
>
> 'predict.lm' produces predicted values, obtained by evaluating the
> regression function in the frame 'newdata' (which defaults to
> 'model.frame(object)'. If the logical 'se.fit' is 'TRUE',
> standard errors of the predictions are calculated.
> </quote>
>
> Is this what you need?
Oops. Yes, thank you.
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Rajarshi Guha <rxg218 at psu.edu> <http://jijo.cjb.net>
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