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Simplified formulas for three‐way chi‐square testing
Author(s) -
Lienert G. A.,
Wolfrum Christine
Publication year - 1980
Publication title -
biometrical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.108
H-Index - 63
eISSN - 1521-4036
pISSN - 0323-3847
DOI - 10.1002/bimj.4710220209
Subject(s) - contingency table , table (database) , mathematics , statistics , chi square test , square (algebra) , combinatorics , computer science , geometry , data mining
In order to test against contingency in a 3‐way table, simplified X 2 ‐formulas are given for (1) the general r x c x l ‐table, (2) for the r x c x2‐table, (3) for the 2x2x l ‐table, and (4) for the 2×2×2‐table. The tests are valid only if a sample of N individuals is observed as to 3 discrete or discretisized (dichotomized) variables which are, under H 0 , assumed to be totally independent.