Data partitioning

1. Data Splitting: AI (Brace For These Hidden GPT Dangers)
2. In-Sample Data Vs. Validation Data (Compared)
3. Model Training: AI (Brace For These Hidden GPT Dangers)
4. AI: On-Premise Vs. Cloud-Based Training (Unpacked)
5. In-Sample Vs. Out-of-Sample Forecasting (Deciphered)
6. Mean Variance Optimization Gotchas (Hidden Dangers)