[DL]面向稀有事件的 Logistic Regression 模型校准

 

 Prior Correction 式(3) 推导

参考链接：

1. 面向稀有事件的 Logistic Regression 模型校准

http://vividfree.github.io/%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0/2015/12/15/model-calibration-for-logistic-regression-in-rare-events-data

2. Logistic Regression in Rare Events Data 论文：https://dash.harvard.edu/bitstream/handle/1/4125045/relogit%20rare%20events.pdf?s

3. Prior Correction的校准推导(有小问题): https://stats.stackexchange.com/questions/117592/logistic-regression-prior-correction-at-test-time