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Correlation coefficients from 2 × 2 tables and from biserial data
Author(s) -
Chambers R. G.
Publication year - 1982
Publication title -
british journal of mathematical and statistical psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.157
H-Index - 51
eISSN - 2044-8317
pISSN - 0007-1102
DOI - 10.1111/j.2044-8317.1982.tb00654.x
Subject(s) - measure (data warehouse) , correlation coefficient , correlation , mathematics , statistics , computer science , data mining , geometry
Various measures of correlation between two quantities x and y are discussed, and it is shown that the phi coefficient is a logically unacceptable measure except perhaps when both x and y are purely qualitative two‐valued attributes. For biserial data, a new measure of correlation is proposed which is free from the shortcomings of the biserial coefficient and the point biserial coefficient.