Quite obvious my target event is rare, so I put a decision node to adjust the priors, Original proporition was 0.04/0.96 after adjust ment its 0.3/0.7. the decision tab on the decision node is 1.0 - 1.0 at digonal positions. When I am scoring a test data the probabilites of the event that I am getting is around 0.3(event=1) and 0.7(event=0) I thougth EM do the adjustments for the probabilities and expected probabilites near 0.04 and 0.96. Is there anything I have to do to get the probilities adjusted, as I would get without the decision node?
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