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Level VI

Help understanding how Lift curves are calculated

Dear JMPers,


  (computer details: I have JMP Pro 14 on a W7 Enterprise, 64-bit computer.)


  I am trying to better understand how JMP actually calculates a Lift curve. I understand conceptually the ROC and Lift curves, but I'm having a hard time calculating a Lift curve myself. The JMP help/support page ( isn't all that helpful in understanding how it takes the probability column from your prediction and turning it into a Lift curve. I have a table where I've sorted it according to the probability that the outcome is True based on my model, and want to now calculate "by hand" (i.e. using a column formula or multiple columns) the Lift curve. It would be great to actually see an example.


  Any help on this is much appreciated.




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