Specific Features of The Procedure
The Berlin procedure procedure is distinguished from other commonly used decomposition and seasonal adjustment methods (i.e. X-12-ARIMA) by the following characteristic features:
- The procedure works well even with time series showing strongly changing seasonal patterns.
- Trend-cycles are depicted plausibly in terms of economic points of view.
- The cost-benefit ratio is low as the user does not need special training or even expert knowledge or long-term experience with the procedure to make high-quality analyses.
- On principle the analysis results do not depend on the respective user since there is no need to determine any series-specific parameters of the procedure.
- As linear regression models are used, on principle there are no differences between indirect and direct analysis results of aggregate series.
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