Statistical Power

Standalone program: http://www.gpower.hhu.de/en.html

Manual PDF: gpowermanual.pdf

Example: FisherExactTest (also MATLAB implementation)

See also: http://www.mathworks.com/help/stats/examples/selecting-a-sample-size.html

See https://github.com/dagdpz/testsim/blob/master/testsim_stat_power.m