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

R Programming Interview Questions

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

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?

Explain the significance of transpose in r language

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Describe sprintf() in r string manipulation?

What is bootstrapping in r?

Explain more functions in brief in r?

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

119

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

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

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

Enlist some of the functions that r provides?

What is r programming?

Differentiate between k-means clustering and hierarchical clustering?

Un-Answered Questions { R Programming }

What is bytecode compilation?

How would you create a new r6 class?

What is Visualization in R?

How do you install a package in r?

How will you measure the probability of a binary response variable in r language?

Differentiate between library() and require()?

How to compile and run code in R?

What are various steps involved in analytics project in r?

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

What is a class in r?

What is readline() in r?

What are covariances in R?

What is median in r?

List out some of the function that R provides?

Explain the programming features of R?

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