[R] Pearson and Spearman correlation coeffcients matrix

[Douglas Bates]

On 7/3/05, Nuno Soares <ndsoares at 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.