Correlation Coefficient (Kendall's Tau) VI

Owning Palette: Probability & Statistics VIs

Requires: Full Development System

Computes the Kendall's Tau correlation coefficient between input sequences X and Y.

Details  

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X is the first input sequence.
Y is the second input sequence.
correlation coefficient r returns the correlation coefficient between X and Y.
r^2 returns the square of correlation coefficient r.

Correlation Coefficient (Kendall's Tau) Details

The Kendall's Tau correlation coefficient is a non-parametric measure of association between two data sets.

In a population with the Kendall's Tau correlation coefficient r, the odds ratio Pc /Pd of the concordant to discordant sets of observations equals (1+r)/(1–r). For example, in a population with a cross correlation r of 1/2, X and Y are three times as likely to be concordant than discordant.