Reject Inference, to be specific, investigate the possibility of using statistical methods (extrapolation and NB) and supervised learning algorithms (LightGBM, xgboost, RF, LR, catboost) to build a benchmark model through the Ensemble Learning (Weighted Voting) to predict the default status of rejected samples and therefore obtain full sample data set. One challenge of this research is proposing a new training sample selection process, which requires an effective mechanism for rejecting the sample inclusion ratio and multiple rounds of iterative verification based on AUC.
WynnDing/reject-inference-lendingclub
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reject inference, machine learning
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