Question:
Where is X-12-ARIMA?
Answer:
Starting with NumXL version 1.60 (Apache), the X-12-ARIMA toolbar icon has moved from the toolbar to the ARMA drop-down menu (see the image below).
Warning
Starting with version 1.67 (MARTHA), NumXL supports the latest U.S. Census X13ARIMA-SEATS seasonal adjustment software. The U.S. Census does not maintain the X12ARIMA seasonal adjustment software, and NumXL includes this model to help our customers migrate existing X12 models to the X13 equivalents.
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