A new correlation coefficient between categorical, ordinal and interval variables with Pearson characteristics

28 Nov 2018 M. Baak R. Koopman S. Klous

A prescription is presented for a new and practical correlation coefficient, $\phi_K$, based on several refinements to Pearson's hypothesis test of independence of two variables. The combined features of $\phi_K$ form an advantage over existing coefficients... (read more)

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