Publication date: 08/13/2020

This section contains statistical details for the Whole Model Test report.

The Chi-Square statistic is sometimes denoted G2 and is written as follows:

where the summations are over all observations instead of all cells.

The ratio of this test statistic to the background log-likelihood is subtracted from 1 to calculate R2. More simply, RSquare (U) is computed as follows:

using quantities from the Whole Model Test report.

Note: RSquare (U) is also known as McFaddenâ€™s pseudo R-square.

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