US Patent Issued to SAS Institute on May 13 for "Optimized hampel filtering for outlier detection" (North Carolina Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,963, issued on May 13, was assigned to SAS Institute Inc. (Cary, N.C.).

"Optimized hampel filtering for outlier detection" was invented by Hongtao Hu (Cary, N.C.) and Mahesh V Joshi (Cary, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A new value is written from a dataset to a data structure comprising a set of sorted values. The new value replaces an oldest value and is inserted in a sorted position. The data structure is modified by subtracting a median value from each value of the set of sorted values to obtain sorted signed deviation values. The sorted signed deviation values are segmented to obtain data substructures comprising subsets of...