[R] Pearson corelation and p-value for matrix

From: Dren Scott <dren_scott_at_yahoo.com>
Date: Sat 16 Apr 2005 - 07:33:24 EST


I was trying to evaluate the pearson correlation and the p-values for an nxm matrix, where each row represents a vector. One way to do it would be to iterate through each row, and find its correlation value( and the p-value) with respect to the other rows. Is there some function by which I can use the matrix as input? Ideally, the output would be an nxn matrix, containing the p-values between the respective vectors.  

I have tried cor.test for the iterations, but couldn't find a function that would take the matrix as input.  

Thanks for the help.  


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