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Laura E. Wood Squier
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  • Reston, VA
  • United States
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Analytics Advisors
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Laura E. Wood Squier's Blog

A Tail of 3 Models - The Story of Goodness of Fit with Binary Classification

Posted on October 24, 2013 at 8:00am 0 Comments

Before you select the best model based on your favorite goodness of fit statistic – Mean Squared Error, Gini, K-S, AUC, or misclassification rate – STOP!  Model performance metrics are not a one size fits all measure.  As an analyst, selecting the right performance metric might mean the difference between having an exceptionally good result, and having no result.   

The classic example:  There is only a 3% prevalence of the event of interest in my…


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