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Home MathPack Statis Functions FisherTransform
See also: CalcFishQ, FisherTransformInv 

FisherTransform

Unit:SDL_statis
Class: none
Declaration: function FisherTransform (x: double): double;

The function FisherTransform returns an approximately normally distributed value rather than skewed one. The parameter x has to be in the range between -1 and +1, values outside this range raise an ESDLStatisError exception.

Hint: The Fisher transformation is typically used for hypothesis testing on the correlation coefficient.

Last Update: 2012-Oct-20