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)?

1131

What is readline() in r?

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?

129

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?

102

What is compiler in r?

Un-Answered Questions { R Programming }

What is the recycling of elements in a vector? Give an example.

259

What is transpose?

114

What are the advantages of R?

Why is R useful for data science?

Why the cv.im()?

What are the features of r programming?

103

Why we need data visualization in R?

What is vectorization in r?

Given a vector of numbers, how would you turn the values into scientific notation?

Describe substr() in r string manipulation?

116

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

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

Describe nchar() in r string manipulation?

What is the Use of String Utilities in the edtdbg Debugging Tool in R string manipulation?

274

What is a file in r?

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