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 would you create a factor in r?

What is a random walk model?

Give some examples of the functions in stringr.

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

How do you build and evaluate a random forest in r?

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

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

What is the difference between a bar-chart and a histogram?

What do you know about the rattle package in r?

What is the difference between a bar-chart and a histogram? Where would you use a bar-chart and where would you use a histogram?

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

How would you facet the data using ggplot2 package?

How would you find out the mean of one column with respect to another?

157

Tell me something about shinyr.

How can you simulate random walk model using r?

110

Un-Answered Questions { R Programming }

What is the need for Predictive Analysis in R?

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

Why should you adopt R programming language?

Explain how to write files?

How many methods are there to save graphs?

Explain statistical functions performed by R?

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

Explain What is R?

173

How would you create a factor in r?

What are R topical programming and statistical relevance?

112

What is vectorization in r?

How many ways are there to read and write files?

122

List out some of the function that R provides?

What is rmarkdown? What is the use of it?

108

What is data structure in r?

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