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”.

524

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 functional programming and memory issues in on the performance basis?

What are the tools for debugging in R?

What are statistical features of R?

Explain disadvantages of density-based clustering in R?

Describe strsplit() in r string manipulation?

What is a random walk model?

103

how would you build a scatter-plot using plotly?

Write a custom function in R?

What are Generic Functions in R?

298

What is attribute function in r?

146

What are various ways to write la oop in r?

What is vectorization in r?

What is the regular expression in R string manipulation?

100

What is median in r?

104

How to create vectors in r?

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