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The same results may also be obtained from [http://www.quantitativeskills.com/sisa/statistics/correl.htm this power calculator.] The same results may also be obtained from [http://www.quantitativeskills.com/sisa/statistics/correl.htm this power calculator] although this calculator only compares equal sized groups. 

This EXCEL [attachment:fishr.xls spreadsheet] computes power comparing two group correlations using [:FAQ/WilliamsSPSS/Fisher:Fisher's transform] given the two group correlations and their sample sizes.

The same results may also be obtained from [http://www.quantitativeskills.com/sisa/statistics/correl.htm this power calculator] although this calculator only compares equal sized groups.

None: FAQ/power/Fisherr (last edited 2013-03-08 10:17:10 by localhost)