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X-13ARIMA-SEATS Seasonal Adjustment Program

X-13ARIMA-SEATS
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X-13ARIMA-SEATS

X-13ARIMA-SEATS Seasonal Adjustment Program

This page contains links to files associated with the X-13ARIMA-SEATS seasonal adjustment program for Windows® PC computers, as well as files for Linux or Unix workstations.

There are two versions of the program differing only in the formatting of the output files. One saves some of the output files as HTML, and the other saves all of the output files as ASCII text files. All calculations should be the same in both versions.

This program can be run in a command window or through our Windows interface, Win X-13, which is available for downloading on this website.

The most recent release of this program is Version 1.1, Build 58.

This version of X-13ARIMA-SEATS has been tested on Windows 10 and may work on previous Windows versions.

Installation instructions are also available on this page.

PC (Windows) Version Archives

X-13ARIMA-SEATS downloads contain a subdirectory (x13as) with the following contents:

  • the program x13as_html.exe (the X-13ARIMA-SEATS executable with HTML output) or x13as_ascii.exe (the X-13ARIMA-SEATS executable with ASCII output),
  • a sample input file named testairline.spc,
  • and the Reference Manual and PC Quick Reference (in a subdirectory named docs).
Last update: August 2, 2021

Two Icon programs to assist users of X-13ARIMA-SEATS, in a subdirectory named tools:

  • genhol.exe (which generates user-defined regressors for moving holidays) with its documentation, genhol.html
  • cnvx13as.exe (which converts spec files used with X-12-ARIMA to files that can be used with X-13ARIMA-SEATS), with its documentation, cnvx13as.html.
Last update: June 15, 2020

Linux/Unix Version Archives

Downloads contain a subdirectory (x13as) with the following contents:

  • the program x13as_html.exe (the X-13ARIMA-SEATS executable with HTML output) or x13as_ascii.exe (the X-13ARIMA-SEATS executable with ASCII output) compiled with the Gfortran compiler,
  • a sample input file named testairline.spc, and
  • the Reference Manual and Unix/Linux Quick Reference in a subdirectory named docs.

Last update: August 2, 2021

Last update: August 2, 2021

Three pdf files comprise the program documentation: the full Reference Manual; a Quick Reference that provides a brief summary of the X-13ARIMA-SEATS input specifications; and, for the Windows version, a quick guide to running X-13ARIMA-SEATS with the Win X-13 interface. There are versions of these documents for the HTML output and ASCII text output versions of the program, though differences between the two versions are generally slight. The full Reference Manual covers both the Windows and Linux/Unix versions, while for the quick reference, there are different Windows and Linux/Unix versions. Finally, there are compressed archives containing the full and quick reference manuals for the Windows version (one archive for HTML output and one for ASCII text output), and another set containing the full (same) and quick reference manuals for the Linux/Unix version.

X-13ARIMA-SEATS Reference Manual

Quick Reference

Provides a brief summary of the input specifications.

Quick guide to running X-13ARIMA-SEATS with the Win X-13 interface:

PC (Windows) Version Instructions

  • Copy the zip file x13as_ascii-V1-1-B58.zip or x13as_html-V1-1-B58.zip to the drive where you want to install X-13ARIMA-SEATS.
  • Uncompress the file - the program will be stored within the x13as subdirectory.

To install the Icon programs:

  • copy the zip file toolsX13.zip into the same folder as the X-13ARIMA-SEATS program file.
  • Uncompress the file - the utilities will be stored within the tools subdirectory.

Linux/Unix Version Instructions

  • Download one of the compressed archives (such as x13asall.tar.gz).
  • Expand the contents of the file using the tar utility, using the following command:
    tar -xzvf x13asall.tar.gz

Note that the executable that is stored in the distribution file was compiled on a Linux system - it may not run on your machine. If this is the case, download the x13assrc.tar.gz file, uncompress the source code and compile it - you will need a Fortran compiler on your Unix/Linux system.

Also note that if you save the x13asall.tar.gz file to a windows machine and then move the downloaded file to a Linux machine, the x13asall.tar.gz file may not retain the .gz part of the file extension. However the file even without that extension will uncompress and extract the required files as per instructions.

PC (Windows) Version

Contains a subdirectory named x13as with x13as.exe, the X-13ARIMA-SEATS executable, along with testairline.spc, a sample input specification file.
Last update: June 15, 2020

Contains a subdirectory named x13ashtml with x13ashtml.exe, the X-13ARIMA-SEATS executable that generates HTML output, along with testairline.spc, a sample input specification file.
Last update: June 15, 2020

Linux/Unix Version

Contains x13as, the X-13ARIMA-SEATS executable (compiled on a Linux workstation with x86_64 architecture running RedHat Enterprise Linux 7.9 using gfortran), and testairline.spc, a sample input specification file for the previous version of X-13ARIMA-SEATS.
Last update: June 15, 2020

Contains the source code, include, and make files needed to create an X-13ARIMA-SEATS executable using the gfortran compiler for the previous version of X-13ARIMA-SEATS.
Last update: June 15, 2020

Contains x13as, the X-13ARIMA-SEATS executable (compiled on a Linux workstation with x86_64 architecture running RedHat Enterprise Linux 7.9 using gfortran), and testairline.spc, a sample input specification file for the previous version of X-13ARIMA-SEATS.
Last update: June 15, 2020

Contains the source code, include, and make files needed to create an X-13ARIMA-SEATS executable using the gfortran compiler for the previous version of X-13ARIMA-SEATS.
Last update: June 15, 2020

Questions or comments on X-13ARIMA-SEATS or the Genhol utility can be directed to the CSRM Time Series mailbox.

Email: srd.time.series@census.gov or x12@census.gov

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