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 different data structures in r? Briefly explain about them.

Name some functions which can be used for debugging in r?

How would you measure correlation in r?

How would you create a scatterplot using ggplot2 package?

how would you build a scatter-plot using plotly?

What are the different import functions in r?

How do you install a package in r?

From the below data-set, extract only those values where age>60 and sex=”f”.

521

How would you make multiple plots onto a single page in r?

126

What is principal component analysis and how can you create a pca model in r?

Name some functions available in “dplyr” package.

How would you check the distribution of a categorical variable in r?

Explain about “initialize()” function in r?

Write a custom function which will replace all the missing values in a vector with the mean of values.

How would you create a new r6 class?

Un-Answered Questions { R Programming }

What is bytecode compilation?

129

Explain tcp/ip applications, services and protocols?

How can you create a pca model in r?

119

What is a factor?

How many types of object are present In R?

103

What are programming features of R?

What are the different packages in r?

Explain how to name the list elements in r?

168

How To Create New Variable In R Programming?

Which function is used to create a boxplot graph in R?

114

Explain how R commands are written?

Describe regex() in r string manipulation?

How would you write a custom function in r? Give an example.

In R how you can import Data?

101

Why we need data visualization in R?

109

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