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Enhanced Plots: Add Percentage of Observations

\includegraphics[width=0.75\textwidth]{figures/onepager/dtrees:prp_second_class_per_obs-1}

prp(model, type=2, extra=106)

This is a particularly informative plot for binary classification tasks. Each node includes the probability of the second class, which is usually the positive class in a binary classification dataset. Each node also includes the percentage of the training dataset that corresponds to that node.


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Other online resources include the GNU/Linux Desktop Survival Guide.
Books available on Amazon include Data Mining with Rattle and Essentials of Data Science.
Popular open source software includes rattle and wajig.
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