This document is based on one originally developed in 2002 by Catherine Hood and Brian Monsell (and later revised by Hood and Roxanne Feldpausch with the development of Win X-12) to assist users of X-12-ARIMA. It explains what to do before running X-13ARIMA-SEATS. X-13ARIMA-SEATS was first released to the public in July of 2012. It is a merger of X-12-ARIMA and the seasonal adjustment module of the TRAMO-SEATS program (Gómez and Maravall, 1996), produced in collaboration with the Bank of Spain (Monsell, 2007 and 2009).

This document provides the basics of the data formats and of writing or editing a specification (command) file, or spec file. The X-13ARIMA-SEATS Reference Manual (U.S. Census Bureau, 2013a, 2013c) and the X-13ARIMA-SEATS Quick Reference (U.S. Census Bureau, 2013b, 2013d) provide more details. Here we show how to create spec files using Win X-13, the Windows Interface to X-13ARIMA-SEATS, and how to run the spec file to seasonally adjust the series.

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Related Information

Time Series and Seasonal Adjustment Working Papers

Page Last Revised - October 28, 2021

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