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”.

514

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

118

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 white noise model in r?

What is procedural programming in r?

What is R?

What is the use of apply() in R?

What is JIT package?

110

Why is R Important?

What are r packages?

What is function definition?

What is meant by hierarchical Clustering in R?

What is the use of abline() function?

What is the reshaping of data in R?

128

Given a vector of numbers, how would you turn the values into scientific notation?

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

125

What is Descriptive analysis in R?

109

What are the steps involved in building and evaluating a linear regression model in r?

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