Message-ID: <4B45F119.4050502@ucalgary.ca>
Date: 2010-01-07T14:35:05Z
From: Peter Ehlers
Subject: Extract p-value from linear model
In-Reply-To: <7dc3eb8d1001070615u7a84def7t21e4336e5eac70e3@mail.gmail.com>
coef(summary(lm(..stuff..)))[,4]
or
coef(summary(lm(..stuff..)))[,4,drop=FALSE]
-Peter Ehlers
Trafim Vanishek wrote:
> Dear all,
>
> I have the following question.
> Is it possible in R to call for the p-value directly in a model like this
>
> a <- c(4.81,4.17,4.41,3.59,5.87,3.83,6.03,4.89,4.32,4.69)
> b <- c(4.17,5.58,5.18,6.11,4.50,4.61,5.17,4.53,5.33,5.14)
>
> summary(lm(a~(b+0)))
>
> or even in this
> a <- c(4.81,4.17,4.41,3.59,5.87,3.83,6.03,4.89,4.32,4.69)
> b <- c(4.17,5.58,5.18,6.11,4.50,4.61,5.17,4.53,5.33,5.14)
>
> summary(lm(a~b))
>
> to call the p-values directly for every estimated parameter.
> Thanks a lot for the help!
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
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> and provide commented, minimal, self-contained, reproducible code.
>
>
--
Peter Ehlers
University of Calgary
403.202.3921