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?

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

131

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?

107

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

107

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 }

How can you load a .csv file in r?

How many ways are there to read and write files?

Enlist the advantages of using r languages?

What is a dataframe in r?

What are various ways to write la oop in r?

What is a white noise model and how can you simulate it using r?

What is a motivation behind data visualization in R?

How will you combine multiple different string like “data”, “science”, “in” ,“r”, “programming” as a single string “data_science_in_r_programmming” ?

What are fundamental principles of debugging?

What is mean in r?

What is TCP/IP in R?

How would you find the number of missing values in a dataset and remove all of them?

What are tools for debugging in r?

Explain about “initialize()” function in r?

What is CLI in R?

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