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I received the following message in SAS:

Measures of association between the observed and predicted values were not calculated because the mean scored predicted probabilities are indistinguishable when they are classified into intervals of length 0.008.

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closed as not a real question by Andy W, gung, whuber♦ Sep 13 '12 at 16:46

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, see the FAQ.

1 Answer

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It appears that your predicted probabilities are all falling into the same bin width, so your model is not a good fit to your data. See here.

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