Clustering on the Main Diagonal in Mobility Matrices
Burton H. Singer, Seymour Spilerman · Sociological Methodology · 1979
An empirical regularity in mobility matrices that has given rise to a considerable volume of research concerns the phenomenon of clustering on the main diagonal.The reference model This content downloaded from 160.39.33.214 on Fri, 10 Oct 2014 11:51:55 AM All use subject to JSTOR Terms and Conditions'By the caret (A) over a matrix or over entries in a matrix we mean esti-.mates made directly from observations.Entries without this symbol refer to calculations from a mathematical model.