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

R Programming Interview Questions

Questions Answers Views Company eMail

Write the syntax to set the path for current working directory in r environment?

107

Describe nchar() in r string manipulation?

R programming language has several packages for data science which are meant to solve a specific problem, how do you decide which one to use?

What will be the result of multiplying two vectors in r having different lengths?

116

Explain the significance of transpose in r language

172

Describe sprintf() in r string manipulation?

What is bootstrapping in r?

116

Explain more functions in brief in r?

How will you convert a factor variable to numeric in r language?

141

Which function in r language is used to find out whether the means of 2 groups are equal to each other or not?

141

What is the difference between library() and require() functions in r language?

Explain the usage of which() function in r language?

100

Enlist some of the functions that r provides?

What is r programming?

Differentiate between k-means clustering and hierarchical clustering?

110

Un-Answered Questions { R Programming }

What is rmarkdown? What is the use of it?

114

In r how missing values are represented?

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

126

What are the different import functions in r?

What is the distribution in R?

108

What are the components of r functions?

What is a dataframe in r?

What are the different data structures in r?

Explain what is pdv?

Explain how you can start the r commander gui?

Why are the VCD and lattice packages used?

How to create the s3 class?

What is R Base package?

What is R lists?

What is an arbitrary function in r?

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