Which roc bias parameter should I choose in Compare ROCs for Decision Tree models?

GerryMcGerryMc Member Posts: 1 Newbie
Hi guys, I'm comparing two models - decision tree and logistic regression. Choosing 'optimistic', 'neutral' or 'pessimistic' for roc bias impacts the result for decision tree but not for logistic regression. Which parameter should I choose?
Thanks
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