Free EMC E20-007 Exam Dumps Questions & Answers

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-A
• B.Fig-D
• C.Fig-C
• D.Fig-B

You have been assigned to do a study of the daily revenue effect of a pricing model of online transactions. When have you completed the analytics lifecycle?

• A.You have a completely developed model based on both a sample of the data and the entire set of data available.
• B.You have presented the results of the model to both the internal analytics team and the business owner of the project.
• C.You have written documentation,and the code has been handed off to the Data Base Administrator and business operations.
• D.You have a completely developed model,and the results have shown statistically acceptable results.

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

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

What does the R code
z <- f[1:10, ]
do?

• A.Assigns a sequence of values from 1 to 10 to z
• B.Assigns the 1st 10 columns of the 1st row of f to z
• C.Assigns the 1st 10 columns to z
• D.Assigns the first 10 rows of f to the vector z

What is required in a presentation for business analysts?

• A.Budgetary considerations and requests
• B.Detailed statistical explanation of the applicable modeling theory
• C.Operational process changes
• D.The presentation author's credentials