Practical Time Series Analysis - Aileen: Nielsen...

: Unlike general regression, the time variable does not repeat, making forecasting an extrapolation challenge.

: Challenges like lookahead bias (accidentally using future data to predict the past) and data leakage are central themes. Key Takeaways for Practitioners Practical Time Series Analysis - Aileen Nielsen...

: Future values are intrinsically linked to past observations. : Unlike general regression, the time variable does