Free EMC D-DS-FN-23 Exam Dumps Questions & Answers

Refer to the exhibit.

You ran a linear regression, and the final output is seen in the exhibit. Based only on the information in the exhibit and an acceptable confidence level of 95%, how would you interpret the interaction of variable D with the dependent variable?

• A.  For every 1 unit increase in variable D, holding all other variables constant, we can expect the dependent variable to increase by 10.23 units
• B.  In this model, Variable D is not significantly interacting with the dependent variable
• C.  For every 1 unit increase in variable D, holding all other variables constant, we can expect the dependent variable to be multiplied by 10.23 units
• D.  Variable D is more significant than variables A, B, and C.

Refer to the exhibit.

The exhibit shows four graphs labeled as Fig A thorough Fig D.
Which figure represents the entropy function relative to a Boolean classification and is represented by the formula shown in Exhibit?

• A.  Fig-B
• B.  Fig-A
• C.  Fig-D
• D.  Fig-C

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

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

Which SQL OLAP extension provides all possible grouping combinations?

• A.  CROSS JOIN
• B.  UNION ALL
• C.  ROLLUP
• D.  CUBE

An analyst is searching a corpus of documents for the topic "solid state disk". As shown in the graphic, Table A provides the inverse document frequency for each term across the corpus.
Table B provides each term's frequency in four documents selected from the corpus.

Based on the four documents, which document is most relevant to the analyst's search?

• A.  Document D
• B.  Document A
• C.  Document B
• D.  Document C