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CHAPTERS 17&18 (EVALUATE MODEL PERFORMANCE (decision tree algorithm:…
CHAPTERS 17&18
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COMPARING MODEL PAIRS
Model Comparison
chart orders each algorithm’s predictions by probability from high to low and splits each into 15 bins, calculating the average number of readmits values of one) in each bin and ordering those bins from right to left on the X-axis
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perfect model would leave the first six bins (starting from the right) at 1 (100% readmits) and the rest at 0 (0% readmits)
Perfect model: right up along the left X-axis and then to the right along the upper bound of the chart
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SELECTING A MODEL
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select a model that provides the best predictive accuracy at the most affordable price and suitable run-time requirements
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