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

R Programming Interview Questions

Questions Answers Views Company eMail

How to use R from python?

How to compile and run code in R?

What are applications of Predictive analysis in R?

How do you get the standard deviation for a vector x?

100

What is iPlots?

138

Explain in brief preliminaries of C/C++?

109

I have a string “contact@dataflair.com”. Which string function can be used to split the string into two different strings “contact@dataflair” and “com”?

Explain different types of objects present in R?

how to import data into R?

100

How many types of C/C++ preliminaries are present in R?

How can you save your data in R?

100

What is regular expression syntax?

103

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

214

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

What is JIT in R?

103

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Un-Answered Questions { R Programming }

Explain how to manipulate list elements in r?

What is vectorization in r?

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

What makes a valid variable name in R?

123

What are R applications of R clustering?

What is scan() in r?

What is R studio and how to use it?

How r handles missing values?

What is sapply() in r?

117

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

129

What is the distribution in R?

108

Explain advantages of density-based clustering in R?

Why the cv.im()?

What is the use of stringr package.

Who and When R discovered?

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