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Aviva Fraud Detection Model + Anomaly Detection (Encoding option 1…
Aviva Fraud Detection Model + Anomaly Detection
Encoding option 1 (SKlearn)
Under sampling
Under sampling 1
XGBoost
GBM
Extra Trees
Lasso/Ridge
Random Forest
Stacking
Under sampling 2
GBM
XGBoost
Lasso/Ridge
Random Forest
Extra Trees
Stacking
Mixed sampling
GBM
Lasso/Ridge
Extra Trees
Random Forest
XGBoost
Stacking
GBM
Lasso/Ridge
Extra Trees
Random Forest
XGBoost
Stacking
Over-sampling
SMOTE
XGBoost
GBM
Lasso/Ridge
Random Forest
Lasso/Ridge
Stacking
ADASYN
XGBoost
Extra Trees
GBM
Lasso/Ridge
Random Forest
Stacking
Random sampling
Extra Trees
Lasso/Ridge
GBM
Random Forest
XGBoost
Stacking
Encoding option 2(SKLearn)
Future Work