[R] Getting Pr from Summary(lm)

Prof Brian Ripley ripley at stats.ox.ac.uk
Wed Jun 9 12:26:36 CEST 2004

coef(summary(lmfit))[, 4]

See ?summary.lm, and note that summary() methods in general produce an 
object which the print method then prints.

On Wed, 9 Jun 2004, David J. Netherway wrote:

> Hello,
> I am trying to get the P values from the output of a summary for lm.
> lm <- lm(y ~ age + sex)

Not a good choice of object name!

> s <- summary(lm)
> I thought that I might be able to get them using a combination of scan, 
> grep and sub.
> But I got stuck on the first step - being able to process "s" as a text 
> string.
> I could perhaps write it to file than scan it back but there is probably 
> an easier
> way to do the whole thing.

You could sink to a textConnection if you really wanted the printed 

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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