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

R Programming Interview Questions

Questions Answers Views Company eMail

What is a loop in r?

How using rprof() to find slow spots in your code in r?

What is data structure in r?

X is the vector c(5,9.2,3,8.51,na), what is the output of mean(x)?

1134

What is readline() in r?

102

What is functional programming and memory issues in on the performance basis?

Explain r graphics devices?

What is a dataframe in r?

What is attribute function in r?

131

What is a file in r?

What is variance in r?

What are various steps involved in analytics project in r?

Explain if control statements in r?

What is function in r?

104

What is compiler in r?

Un-Answered Questions { R Programming }

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

125

How can you create a pca model in r?

111

What is bytecode compilation?

117

How to remove all the objects?

What is Descriptive analysis in R?

109

Explain how R programming applied to the real world?

What is regular expression syntax?

101

Vector v is c(1,2,3,4) and list x is list(5:8), what is the output of v*x[[1]]?

214

What is a factor? How would you create a factor in r?

What is a file in r?

What does not ‘r’ language do?

In R how you can import Data?

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

What is reference class?

Compare R with other technologies.

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