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XGBoost Algorithm predicting too high or too low probablity

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@Sohamc wrote:

I have run xgboost with objective function binary logistic. After that I have ranked the data. The first 10 percent in Test data is covering 85% events.
The overall data had 3% events
However the Probability range is from 0.99 to 0.04 in the first decile. Is there anything that needs to be corrected.

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