Paul R. Yarnold
Optimal Data Analysis, LLC
Prior research modeling intergenerational occupational mobility (professional and managerial=1; clerical and sales=2; craftsman=3; operatives and laborers=4; farmers=5) using several log-linear model approaches failed to identify a model representing a satisfactory fit of the data (p. 66). For these data an exploratory novometric analysis (constrained by the investigator a priori to obtain stable accuracy in LOO analysis) predicting son’s occupation (class variable) as a function of father’s occupation (multicategorical attribute) identified a parsimonious, relatively strong model.