Today's post is written by John C. Harris, Archives Technician at National Archives at Philadelphia with a special thanks to Michael Demofonte, Archives Technician, Archives II, Research Services, Digitization Division for his editorial feedback and helping me make sense of the data. Introduction: Data. It is a daunting word for those of us who entered … Continue reading The Values of an Index: A Statistical Analysis of the Index of Case Files from Record Group 228: Records of the Committee on Fair Employment preserved by the National Archives at Philadelphia