Example 8.40: Side-by-side histograms

June 13, 2011 | Ken Kleinman

It's often useful to compare histograms for some key variable, stratified by levels of some other variable. There are several ways to display something like this. The simplest may be to plot the two histograms in separate panels.SASIn SAS, the most d...
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Example 8.21: latent class analysis

January 18, 2011 | Nick Horton

Latent class analysis is a technique used to classify observations based on patterns of categorical responses. Collins and Lanza's book,"Latent Class and Latent Transition Analysis," provides a readable introduction, while the UCLA ATS center has an o...
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