Use the churn data set at the book series website for the following exercises. Make sure that

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Use the churn data set at the book series website for the following exercises. Make sure that the correlated variables have been accounted for.


Perform a cost/benefit analysis for the default CART model from exercise 1 as follows. Assign a cost or benefit in dollar terms for each combination of false and true positives and negatives, similar to Table 14.4. Then, using the contingency table, find the overall anticipated cost.Outcome Classification Actual Cost Rationale Value True negative True positive False negative False positive

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