EMC Proven Professional – Data Science and Big Data Analytics — Question 26

What is one modeling or descriptive statistical function in MADlib that is typically not provided in a standard relational database?

Answer options

• A. Linear regression
• B. Expected value
• C. Variance
• D. Quantiles

Correct answer: A

Explanation

The correct answer is A, Linear regression, as it is a complex modeling technique often found in specialized analytics libraries like MADlib but not typically included in standard relational databases. Options B (Expected value), C (Variance), and D (Quantiles) are descriptive statistics that can be calculated within relational databases.