[R] correlation

John Fox jfox at mcmaster.ca
Thu Aug 22 05:57:26 CEST 2002

Dear Laurence,

At 06:21 PM 8/21/2002 -0700, you wrote:

>I have a file (a matrix) on which I have to compute the correlations.
>The function "cov" compute the correlations
>between the columns of a matrix, but I want to compute the correlations
>between the raws.

Actually, cov computes covariances; cor computes correlations

>Can somebody say to me how I can carry out that?

Just transpose the matrix, as in cor(t(x)).

I hope that this helps,
John Fox
Department of Sociology
McMaster University
Hamilton, Ontario, Canada L8S 4M4
email: jfox at mcmaster.ca
phone: 905-525-9140x23604
web: www.socsci.mcmaster.ca/jfox

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