Aadhar Housing Finance Senior Data Scientist Interview Questions and Answers

Excel pivot tables allow users to create computed fields using formulas.

• In Excel pivot tables, computed fields are created by adding a new field with a formula.

• Formulas can be simple arithmetic operations or more complex calculations.

• Computed fields can be used to perform calculations on existing data in the pivot table.

• Examples: calculating profit margin by dividing revenue by cost, calculating average sales per month

Precision is the ratio of correctly predicted positive observations to the total predicted positives, while recall is the ratio of correctly predicted positive observations to the all observations in actual class.

• Precision focuses on the accuracy of positive predictions, while recall focuses on the proportion of actual positives that were correctly identified.

• Precision = TP / (TP + FP)

• Recall = TP / (TP + FN)

• Example: In...read more