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Multivariate Methods > Multiple Correspondence Analysis > Statistical Details for the Multiple Correspondence Analysis Platform > Cochran’s Q Statistic
Publication date: 09/28/2021

Cochran’s Q Statistic

The Cochran’s Q test statistic is calculated as follows:

Equation shown here

where

k is the number of treatments

b is the number of blocks

Xij is the response (0 or 1) for the ith subject for the kth treatment

N is the grand total of positive responses across all subjects and treatments

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