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PerformMannWhitneyUTest


Unit:SDL_statis
Class: none
Declaration: function PerformMannWhitneyUTest (Data1, Data2: TVector; OneSided: boolean; var UStatistic: double): double;

The function PerformMannWhitneyUTest returns the probability associated with a 2-sample U-test, that is the probability which indicates the likelyhood that two samples have come from the same two underlying populations having the same mean.

The parameters Data1 and Data2 contain the data to be compared, the boolean flag OneSided determines whether the problem is a one-sided or a two-sided one. The variable parameter UStatistic contains the value of the U statistic on return.


Last Update: 2012-Oct-20