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?

132

What is rmarkdown? What is the use of it?

114

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.

105

How r handles missing values?

How to construct a new s3 class?

What is using all() and any()?

112

How to construct new s4 class?

What is reference class?

What is the apply() family in r?

Un-Answered Questions { R Programming }

What are connections In R?

What will be the output of log (-5.8) when executed on r console?

Explain how to create a list in r?

How will you create scatterplot matrices in r language?

What are R applications of R clustering?

Explain the different data structures in r?

What is the apply() family in r?

Why is clustering required in data analysis?

What is the main difference between an Array and a matrix?

What is Predictive Analysis in R?

108

What is regular expression syntax?

103

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

Give some examples of the functions in stringr.

Enlist some of the functions that r provides?

What is Preliminaries in R?

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