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 control statements are present in r?

100

Which function is used to write files?

What are features of r functions?

How many ways are there to read and write files?

127

What is rmarkdown? What is the use of it?

110

What is s4 generic?

What is the random walk model in r?

100

Explain tcp/ip applications, services and protocols?

What is recycling of elements in an r vector? Give an example.

How r handles missing values?

How to construct a new s3 class?

What is using all() and any()?

104

How to construct new s4 class?

What is reference class?

What is the apply() family in r?

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Un-Answered Questions { R Programming }

Name all control statements present in r?

Why the cv.im()?

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

491

Which function is used to create a histogram visualisation in r programming language?

125

What is compiler in r?

Explain the type of clustering in R?

102

What is an arbitrary function in r?

What packages are used for data mining in r?

Name some packages in r, which can be used for data imputation?

186

What is the rattle package in r?

How do you check if “m” is a matrix data object in R?

What is Predictive Analysis in R?

102

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”?

How many tools for debugging present in r?

How would you make multiple plots onto a single page in r?

118

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