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This table displays the prior probabilities for membership
in groups.
A prior probability is an estimate of the
likelihood that a case belongs to a particular group when no
other information about it is available. Unless you
specified otherwise, it is assumed that a case is equally
likely to be a defaulter or nondefaulter.
Prior probabilities are used along with the data to
determine the classification functions. Adjusting the
prior probabilities according to the group sizes can improve the overall classification
rate.
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Adjusting Prior Probabilities |