Difference between revisions of "Divergence Statistic"

From Open Risk Manual
 
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== Formula ==
 
== Formula ==
 
:<math>
 
:<math>
D^2 = \frac{\pi_G - \pt_B)^2}{(\sigma^2_G + \sigma^2_B)/2}
+
D^2 = \frac{\pi_G - \pi_B)^2}{(\sigma^2_G + \sigma^2_B)/2}
 
</math>
 
</math>
  

Revision as of 17:28, 17 February 2022

Definition

The Divergence Statistic is a measure of the distance between two distributions. It is typically used in assessing the ability of a Credit Scorecarc to distinguish between the good and bad populations

Formula


D^2 = \frac{\pi_G - \pi_B)^2}{(\sigma^2_G + \sigma^2_B)/2}

See Also