Table 5.5 shows a small set of predictive model validation results for a classification model with both actual values and propensities Table 5.5...

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a. Calculate error rates, sensitivity and specificity using cutoff of 0.25, 0.5, and 0.75.

b) Using a cutoff of 0.5, create a decile lift chart. First create a table where column 1 is the decile and column 2 is the lift ratio for each decile. Then, use a bar chart to plot the decile lift chart using the two columns of the table.