IBM PureData System for Analytics V7.0 — Question 9

You want to calculate the difference between the minimum and maximum values of some of your data fields.
Which feature or mode of the Aggregate node would allow you to calculate this using a single node?

Answer options

• A. Aggregate expressions
• B. Median mode
• C. Default mode
• D. Key field grouping

Correct answer: B

Explanation

The correct option is B, Median mode, which allows for the calculation of the difference between the minimum and maximum values effectively in one step. The other options do not provide a method to calculate this specific range in a single operation.