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?

109

What is iPlots?

140

Explain in brief preliminaries of C/C++?

111

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”?

103

Explain different types of objects present in R?

how to import data into R?

104

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

How can you save your data in R?

105

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]]?

218

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

What is JIT in R?

107

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Un-Answered Questions { R Programming }

Explain different types of objects present in R?

Explain the concept of principal component analysis?

What is a factor?

What is the tree in r?

121

What is an arbitrary function in r?

How can you resample statistical tests in r language?

How would you measure correlation in r?

How would you join multiple strings together?

101

What are Ensemble Models in R?

123

Which data object in r is used to store and process categorical data?

133

Explain about “initialize()” function in r?

What is the byte in R?

How will you merge two dataframes in r programming language?

What is more functions in r and name them?

How many methods are there to save graphs?

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