Re: [R] Pearson and Spearman correlation coeffcients matrix

From: Ivar Herfindal <ivar.herfindal_at_bio.ntnu.no>
Date: Sun 03 Jul 2005 - 23:28:33 EST

Douglas Bates wrote:

> On 7/3/05, Nuno Soares <ndsoares@mail.telepac.pt> wrote:
>

>>Hi everyone,
>>
>>I've been trying to find a function that outputs the Pearson and/or Spearman
>>correlation coefficients for several variables with the associated
>>statistics in one single table/matrix. For what I've been able to understand
>>the Stats package is only able to compute these coeficients/statistics only
>>in defined pairs. This becomes time consuming when we want to determine
>>these measures with, say, 10 variables or more. Does anyone knows a solution
>>to this?

>
>
> I believe that the cor function already does what you want. Check
>
> ?cor
>
> and
>
> example(cor)
>
> If the first argument to cor is a matrix, it returns the correlation
> matrix of all the columns.
>
>
You can also try the rcorr function in the Hmisc package (or bundle or whatever it is called). It returns one matrix with correlation coefficients and one matrix with p-values.

Ivar



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