Microsoft 70-773 - Analyzing Big Data with Microsoft R Exam
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Total 39 questions
Question #6 (Topic: )
Note: This question is part of a series of Questions that present the same scenario. Each
question in the series contains a unique solution that might meet the stated goals. Some
question sets might have more than one correct solution, whale others might not have a
correct solution-After you answer a question in this section, you will NOT be able to return
to it- As a result, these questions will not appear in the review screen.
You use dplyrXdf and you discover that after you exit the session, the output files that were
created were deleted. You need to prevent the files from being deleted.
parameter and specify a path other than the
working directory for dplyrXdf.
Does this meet the goal?
question in the series contains a unique solution that might meet the stated goals. Some
question sets might have more than one correct solution, whale others might not have a
correct solution-After you answer a question in this section, you will NOT be able to return
to it- As a result, these questions will not appear in the review screen.
You use dplyrXdf and you discover that after you exit the session, the output files that were
created were deleted. You need to prevent the files from being deleted.
parameter and specify a path other than the
working directory for dplyrXdf.
Does this meet the goal?
A. Yes
B. No
Answer: A
Question #7 (Topic: )
Note: This question is part of a series of questions that use the same scenario. For your
convenience, the scenario is repeated in each question. Each question presents a different
goal and answer choices, but the text of the scenario is exactly the same in each question
in this series.
Start of repeated scenario
You are developing a Microsoft R Open solution that will leverage the computing power of
the database server for some of your datasets.
You are performing feature engineering and data preparation for the datasets.
The following is a sample of the dataset.
[Microsoft-70-773-7.0/Microsoft-70-773-6_2.png]
End of repeated scenario
You plan to score some data to create data features to address empty rows.
You have the following R code.
[Microsoft-70-773-7.0/Microsoft-70-773-6_3.png]
You need to transform the data and overwrite the current dataset.
Which R code segment should you use? To answer, select the appropriate options in the
answer area.
NOTE: Each correct selection is worth one point.
[Microsoft-70-773-7.0/Microsoft-70-773-6_4.png]
convenience, the scenario is repeated in each question. Each question presents a different
goal and answer choices, but the text of the scenario is exactly the same in each question
in this series.
Start of repeated scenario
You are developing a Microsoft R Open solution that will leverage the computing power of
the database server for some of your datasets.
You are performing feature engineering and data preparation for the datasets.
The following is a sample of the dataset.
[Microsoft-70-773-7.0/Microsoft-70-773-6_2.png]
End of repeated scenario
You plan to score some data to create data features to address empty rows.
You have the following R code.
[Microsoft-70-773-7.0/Microsoft-70-773-6_3.png]
You need to transform the data and overwrite the current dataset.
Which R code segment should you use? To answer, select the appropriate options in the
answer area.
NOTE: Each correct selection is worth one point.
[Microsoft-70-773-7.0/Microsoft-70-773-6_4.png]
Answer: [Microsoft-70-773-7.0/Microsoft-70-773-7_2.png]
Question #8 (Topic: )
You have a dataset that has a character variable.
You need to create a bag of counts of n-grams.
Which function should you use?
You need to create a bag of counts of n-grams.
Which function should you use?
A. featurizeText0
B. categoricalHash0
C. concat0
D. selcctFeatures0
E. categorical0
Answer: A
Question #9 (Topic: )
You perform an analysis that produces the decision tree shown in the exhibit.
[Microsoft-70-773-7.0/Microsoft-70-773-8_2.png]
How many leaf nodes are there on the tree?
[Microsoft-70-773-7.0/Microsoft-70-773-8_2.png]
How many leaf nodes are there on the tree?
A. 2
B. 3
C. 5
D. 7
Answer: B
Question #10 (Topic: )
Note: This question is part of a series of questions that use the same or similar answer
choices. An answer choice may be correct for more than one question in the series. Each
question is independent of the other questions in this series. Information and details
provided in a question apply only to that question.
You need to get all of the deciles for a variable in a data frame.
What should you use?
choices. An answer choice may be correct for more than one question in the series. Each
question is independent of the other questions in this series. Information and details
provided in a question apply only to that question.
You need to get all of the deciles for a variable in a data frame.
What should you use?
A. the Describe package
B. the rxHistogram function
C. the rxSummary function
D. the rxQuantile function
E. the rxCube function
F. the summary function
G. the rxCrossTabs function
H. the ggplot2 package
Answer: F
