070-773 무료 덤프문제 온라인 액세스

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 build a model that uses xyz regression.
You need to estimate a model that predicts a binary variable.
Which function should you use?

• A.rxTweedie
• B.rxPredict
• C.rxDataStep
• D.rxTransform
• E.summary
• F.stepAic
• G.rxLogit
• H.rxLinMod

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?

• A.the ggplot2 package
• B.the rxCrossTabs function
• C.the rxSummary function
• D.the summary function

HOTSPOT
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.

End of repeated scenario.
You plan to score some data to create data features to address empty rows.
You have the following R code.

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.

정답:

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 evaluate the significance of coefficients that are produced by using a model that was estimated already.
Which function should you use?

• A.rxTweedie
• B.rxPredict
• C.rxDataStep
• D.rxTransform
• E.summary
• F.stepAic
• G.rxLogit
• H.rxLinMod

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?

• A.the Describe package
• B.the rxCube function
• C.the ggplot2 package
• D.the rxCrossTabs function
• E.the rxHistogram function
• F.the rxSummary function
• G.the summary function
• H.the rxQuantile function