This directory contains SPSS system files representing the aggregated data sets analyzed in the book Relative Distribution Methods in the Social Sciences, by Mark S. Handcock and Martina Morris, Springer-Verlag and Sons, New York, 1999.

The files are SPSS portable files, which have the suffix ".por". They can be read into SPSS directly and into other packages that can read SPSS portable files.

The data: