If commands are stored in an external file, say commands.R in the working directory work, they may be executed at any time in an R session with the command _____ - R Quiz

R - Quiz(MCQ)

If commands are stored in an external file, say commands.R in the working directory work, they may be executed at any time in an R session with the command _____

A)

exect(â€œcommand.Râ€)

B)

exec(â€œcommands.Râ€)

C)

execute(â€œcommands.Râ€)

D)

source(â€œcommands.Râ€)

Correct Answer : source(â€œcommands.Râ€)

Explanation : For Windows, Source is also available on the File menu.

Recently Updated in R Questions

_____ is simplest class of analytics.

A)

Predictive

B)

Prescriptive

C)

Summarization

D)

Descriptive

Correct Answer : Descriptive

Explanation : Descriptive is the simplest class of analytics. Predictive analytics can only forecast what might happen in the future because all predictive analytics are probabilistic in nature.

Which of the following involves predicting a categorical response?

A)

Classification

B)

Clustering

C)

Regression

D)

Summarization

Correct Answer : Classification

Explanation : Classification techniques are widely used in data mining to classify data.

________ is proprietary tool for predictive analytics.

A)

R

B)

EDR

C)

SAS

D)

SSAS

Correct Answer : SAS

Explanation : SAS (Statistical Analysis System) is a software suite developed by SAS Institute for advanced analytics.

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