What is the primary challenge in using time series data for predictive modeling?
- Dealing with missing values
- Ensuring the data is stationary
- Handling seasonality in the data
- Incorporating external factors
The primary challenge in time series predictive modeling is achieving stationarity, meaning that the statistical properties of the data (e.g., mean and variance) remain constant over time. Stationarity is crucial for accurate modeling and forecasting.
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