I have made a correlation between group A and B and the pearsson coefficient constant, r, is at 0.97. The values are expression levels and hence they are non-parametric. I wonder how can i calculate the p-value of this correlation between group A and B? I know how to calculate the p-value for the difference between group A and B, but not for the correlation between group A and B.

Thanks for any inputs!

http://www.sportsci.org/resource/stats/pvalues.html

http://www.tufts.edu/~gdallal/npar.htm

http://www.graphpad.com/www/book/Choose.htm

http://www.statsoft.com/textbook/stbasic.html

user wrote:

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