Tests of Model Fit

Figure 1. Hosmer-Lemeshow statistic
Hosmer-Lemeshow statistic

Goodness-of-fit statistics help you to determine whether the model adequately describes the data. The Hosmer-Lemeshow statistic indicates a poor fit if the significance value is less than 0.05. Here, the model adequately fits the data.

Figure 2. Contingency Table for Hosmer-Lemeshow statistic
Contingency Table for Hosmer-Lemeshow statistic

This statistic is the most reliable test of model fit for IBM® SPSS® Statistics binary logistic regression, because it aggregates the observations into groups of "similar" cases. The statistic is then computed based upon these groups.

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