Free Microsoft 70-773 Practice Test & Real Exam Questions

  • Exam Code/Number: 70-773
  • Exam Name/Title: Analyzing Big Data with Microsoft R
  • Certification Provider: Microsoft
  • Corresponding Certification: Microsoft R Server
  • Exam Questions: 40
  • Updated On: Jun 02, 2026
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?
Correct Answer: D Vote an answer
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 calculate a measure of central tendency and variability for the variables in a dataset that is grouped by using another categorical variable.
What should you use?
Correct Answer: C Vote an answer
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?
Correct Answer: B Vote an answer
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You have a dataset.
You need to repeatedly split randomly the dataset so that 80 percent of the data is used as a training set and the remaining 20 percent is used as a test set.
Which method should you use?
Correct Answer: B Vote an answer