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?

What is iPlots?

125

Explain in brief preliminaries of C/C++?

102

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?

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

How can you save your data in R?

What is regular expression syntax?

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

212

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

What is JIT in R?

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Un-Answered Questions { R Programming }

Why is clustering required in data analysis?

Explain how data is aggregated in r?

Name some packages in r, which can be used for data imputation?

184

How r handles missing values?

What is sapply() in r?

111

How would you do a cross-product of two tables in r?

How to use R from python?

What is data import in r language?

What are Features of Recursion?

How many ways are there to read and write files?

122

What is a factor variable, and why would you use one?

What is correlation? How would you measure correlation in r?

What is SAS and SPSS in R?

What do you mean by data visualization in R?

How can you simulate noise model using r?

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