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X11 Seasonal Adjustment
The X11 adjustment module for RATS is Estima's implementation of the Census Bureau's X11 seasonal adjustment procedure. It is implemented as an additional instruction built into the RATS software. This combines the X11 procedure with all of the data-handling power and time-series analysis capabilities of RATS, and makes it easy to do adjust many series.
The X11 module is included in the Professional versions of WinRATS and MacRATS, and is available as an optional add-on for UNIX and Linux versions.
Features of the X11 module include:
- Adjusts both quarterly and monthly data
- Options for trading day and holiday adjustments
- Graduated extremes options for handling outliers
- Can easily adjust large numbers of series
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