R Programming Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

R Programming Interview Questions

Questions Answers Views Company eMail

How many methods are there to save graphs?

Why are the VCD and lattice packages used?

101

List out some of the function that R provides?

What is the use of “next” statement in R?

100

What is R Base package?

What is Predictive analysis process in R?

121

Mention what does not ‘R’ language do?

703

What is expected from running the command – strsplit(x,”e”)?

111

What is the different type of sorting algorithms available in R language?

What is power analysis ?

What is the need for Predictive Analysis in R?

What is R?

100

What is CLI in R?

What are statistical features of R?

What are the disadvantages of R?

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Un-Answered Questions { R Programming }

What are programming features of R?

From the below data-set, extract only those values where age>60 and sex=”f”.

524

Give examples of “select” and “filter” functions from “dplyr” package.

I have a string “contact@dataflair.com”. Which string function can be used to split the string into two different strings “contact@dataflair” and “com”?

103

What are Generic Functions in R?

298

Explain the significance of transpose in r language

176

Why the stepaic()?

What is bootstrapping in r?

118

Explain how you can create a table in r without external file?

497

What is a loop in r?

100

Name some functions available in “dplyr” package.

What is the use of sink(), Library () and search() function?

103

What are the different packages in r?

What is median in r?

104

How do you build and evaluate a random forest in r?

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