RAT-STATS - Statistical Software
RAT-STATS is a free statistical software package that providers can download to assist in a claims review. The package, created by OIG in the late 1970s, is also the primary statistical tool for OIG's Office of Audit Services.
Among other tasks, the software assists the user in selecting random samples and estimating improper payments. We have attempted to make RAT-STATS as user-friendly as possible, keeping in mind the program uses technical statistical terms. OIG does not provide technical support for RAT-STATS.
Although OIG does not require the use of RAT-STATS, many providers download the software in their efforts to fulfill the claims review requirements for corporate integrity agreements or provider self-disclosure protocol.
- Extract zip files to a folder on your hard drive.
- Run SetupRS2007v2.exe and follow the installation instructions.
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Priority recommendations summarized.
FY 2014 Work Plan
OIG projects planned for 2014.
Significant OIG activities in 6-month increments.