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 are the data structures in R that are used to perform statistical analyses and create graphs?

307

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

269

Explain main features to write R code that runs faster?

218

Why R language?

How can we create a table using R language without using external files?

100

In R how you can import Data?

What is Descriptive analysis in R?

111

Explain statistical functions performed by R?

What is R lists?

What is the main difference between an Array and a matrix?

Write a function in R language to replace the missing value in a vector with the mean of that vector?

172

Why is R Important?

What is an Atomic vector and how many types of atomic vectors are present in R?

168

Name the functions which helps in importing data from other applications in R?

115

What is Visualization in R?

Un-Answered Questions { R Programming }

Explain Disadvantages of R data visualization?

What are the steps to build and evaluate a linear regression model in r?

What is the use of stringr package. Give some examples of the functions in stringr.

What are the advantages of R?

How would you create a new r6 class?

What is factor variable in r language?

How to remove all the objects?

List out some of the function that R provides?

Explain how to repeat vectors in r?

Write the syntax to set the path for a current working directory in r environment?

117

What are the data structures in r that is used to perform statistical analyses and create graphs?

What are Characteristics of R Hierarchical Clustering?

187

How to create the s3 class?

What is the difference between the library() and require() functions in R language?

How many methods are there to save graphs?

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