The SDL Component Suite is an industry leading collection of components supporting scientific and engineering computing. Please visit the SDL Web site for more information....


Home MathPack Statis Functions PearsonCorrCoeff
See also: PearsonCorrCoeff (TVector), CorrTest, PearsonCorrCoeffColsOfArray 

PearsonCorrCoeff

Unit:SDL_statis
Class: none
Declaration: function PearsonCorrCoeff (Data1, Data2: TDoubleArray; var CorrCoeff: double): integer;

The function PearsonCorrCoeff calculates Pearson's correlation coefficient of the two data sets Data1 and Data2 and returns it in the variable parameter CorrCoeff.

The function returns the following error codes:

 0 ... everything is OK
-1 ... too few data values (a minimum of 3 data pairs are required)
-2 ... data arrays do not match in size

Last Update: 2023-Feb-06