A weakness of the decomposition method of forecasting is that it requires a large amount of past data.

Name: A weakness of the decomposition method of forecasting is that it requires a large amount of past data.
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The decomposition method uses past data to identify and isolate trends, seasonal patterns, and other components of the time series data. Therefore, a significant amount of historical data is required to effectively apply this method.

A Weakness of the Decomposition Method of Forecasting Is That