Taiwanese Credit Card Client Fraud detection

PAY_AMTx Continuous Positive values Min - 0 (zero) 14. PAY_x Values from -2 to 8 Value - 0 (People paid in same month after due date) 15. Findings • No direct Missing Values • Zero NaN, missing values • For Features - Marriage, Education • Missing values are marked as 0 (zero) • Relation between • Bill amounts of previous month -- Pay amount of current month • If a previous month bill amount was high • Next month can be default 16. Feature Engineering 17. Imputation - MARRIAGE • MARRIAGE • 54 values are zero • We can impute this with mode 18. Imputation - EDUCATION • EDUCATION • 14 values are zero • We can impute this with mode 19. One Hot Encoding • MARRIAGE, SEX, and EDUCATION are numeric values but these are really categorical.