x12
===
The R package x12 is used in combination with the X-12 ARIMA Seasonal Adjustment Program,
which can be downloaded from http://www.census.gov/srd/www/x12a/ for Windows, Linux and as Source Code.

After the installation the x12a.exe or the x12a executable should be on your system. The path to the executable is
important it is set with the function x12path, e.g., x12path("d:/X12InstallationPath/x12a.exe") or x12path("/usr/bin/x12a").

