Re: [R] Pearson correlation coefficient matrix with permutation test

From: Gabor Grothendieck <>
Date: Sun, 20 Mar 2011 12:53:04 -0400

On Sun, Mar 20, 2011 at 10:45 AM, <> wrote:
> Hello,
> I found an interesting program on Pierre Legendre's webpage:
> With this program one can compute a "Pearson correlation coefficient matrix with permutation test".
> This is exactly what I need as an R-package because so far I have only analyzed my data with the function cor(). However, I need additional permutation tests for each individual correlation summarized in a matrix of correlation coefficients.
> Does anyone know an R-package where this is included as a function?
> Thanks for help!

Section 3.2 of the vignette in the proto package shows computations in R for calculating confidence intervals for the correlation coefficient. There are calculations shown for both the Fisher transform approach and bootstrapping.

Statistics & Software Consulting
GKX Group, GKX Associates Inc.
tel: 1-877-GKX-GROUP
email: ggrothendieck at

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Received on Sun 20 Mar 2011 - 16:55:32 GMT

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