Traditional modeling approaches often fail to capture complex temporal dynamics such as seasonality and nonlinear relationships.
Time-aware cross-validation reveals the limitations of linear regression on the classic AirPassengers dataset, particularly in modeling seasonal fluctuations.
The results indicate the necessity of enhanced feature engineering or more advanced models to improve forecasting performance in time series analysis.
Incorporating seasonality or adopting architectures like ARIMA or LSTM can significantly enhance time series forecasting.