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The Information Value is a method of Feature selection widely used in credit scoring^[1]. The formula is

$\sum _{i=1}^{n}\left(DistrGood_{i}-DistrBads_{i}\right)\times ln\left({\frac {DistrGood_{i}}{DistrBads_{i}}}\right)$

References

^ [[1]]Metric Divergence Measures and Information Value in Credit Scoring, Guoping Zeng

[1] [[1]]Metric Divergence Measures and Information Value in Credit Scoring, Guoping Zeng

[1]