November 2019
Intermediate to advanced
346 pages
9h 36m
English
The first step is simply to load the data. In Step 2, we set an administrative cost based on the expected cost of replacing a credit card. In addition, we estimate the business cost of freezing a customer's banking operations until all transactions are verified. In practice, you should obtain an accurate figure that is appropriate to the credit card company or business use case in question. Using the parameters we have defined, we define a cost matrix in Step 3 that takes into account the administrative cost of replacing a credit card, business interruption from freezing a customer, and so on. In Steps 4 and 5, we train-test split our data. Next, we would like to see how the example-dependent, cost-sensitive classifier performs ...