In time series analysis, what is the primary goal of "forecast error decomposition"?
A. To identify seasonality in the data
B. To test for autocorrelation in the residuals
C. To evaluate the accuracy of forecasts
D. To break down forecast errors into components
Answer: Option D
Related Questions on Time Series Analysis
What is the primary characteristic of a time series data set?
A. Random data
B. Data points are not related
C. Data is collected at irregular intervals
D. Data is collected over time
A. Outliers
B. Trends
C. Seasonality
D. Noise
A. Stationary
B. Seasonal
C. Trend
D. White noise
What is the primary goal of "detrending" in time series analysis?
A. To remove seasonality from the data
B. To remove outliers from the data
C. To identify trends in the data
D. To add noise to the data
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