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Practical Predictive Analytics by Ralph Winters

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Plotting the rules

The default plot of the rules will give you a scatterplot of all of the rules showing support on the x axis and confidence on the y axis. We can see from the density that confidence can vary from high to low with most of the density occurring at the 0.5 level. Support tends to be low, and the highest support level attains ~0.07:

plot(rules1)

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