R2: a useful measure of model performanc
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Arlene Ash; Michael Shwartz
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Article
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1999
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John Wiley and Sons
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English
⚖ 107 KB
👁 1 views
R has been criticized as a measure of model performance when predicting a dichotomous outcome, both because its value is often low and because it is sensitive to the prevalence of the event of interest. The C statistic is more widely used to measure model performance in a 0/1 setting. We use a simpl