The data that is used to construct this plot is ordered by expected profit. For this
example, you have defined a profit matrix. Therefore, expected profit is a function of
both the probability of donation for an individual and the profit associated with the
corresponding outcome. A value is computed for each decision from the sum of the
decision matrix values multiplied by the classification probabilities and minus any
defined cost. The decision with the greatest value is selected, and the value of that
selected decision for each observation is used to compute overall profit measures.
The plot represents the cumulative total expected profit that ...
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