The U.S. Government increasingly uses statistical analysis and data mining to identify fraud and abuse in the healthcare market. A key tool in the Government’s arsenal is RAT-STATS software, which is used to sample and quantify improper claims, which then become the basis for damages and monetary penalties.  As a result, providers, compliance officers and legal professionals must understand the methodologies used by the Government to perform its analysis.  Understanding potential weaknesses in the Government’s analysis is also imperative to a sound defense. This post provides guidance on both fronts…