[R] part or semi-partial correlation

John Kane jrkrideau at yahoo.ca
Tue May 22 19:19:14 CEST 2007

Only trivial if you can find it.  
Will the package corpcor do you any good? 

--- gatemaze at gmail.com wrote:

> Is it possible to conduct part (also called
> semi-partial correlation)
> with R. The help.search produces no results and
> there is also nothing
> into the archive, well one post asking what is part
> correlation. Just
> quickly from Field [Discovering statistics using
> spss]:
> "When we do a partial correlation between two
> variables, we control
> for the effect of a third variable. Specifically,
> the effect that the
> third variable has on BOTH variables in the
> correlation is controlled.
> In a semi-partial correlation we control for the
> effect that the third
> variable has on only one of the variables in the
> correlation."
> Apologies if it is a trivial question. Thanks.
> -- 
> yianni
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