Table of Contents Welcome IRB Model Guideline Machine Learning Focal Loss DeLong Test SHAP (SHapley Additive exPlanations) Cohort Fit Distribution Transformer Model Reinforcement Learning Concepts Enhancing Traditional Scorecards with Reinforcement Learning Statistics Confidence Interval with Small Sample Size KS-PSI-ENTROPY Difference in Differences (DiD) Explore Quarto Workflows Browser RStudio Jupyter Learning More Transition from Rmarkdown