R Programming Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

R Programming Interview Questions

Questions Answers Views Company eMail

Why Reshape R Package?

105

What are functions of Random forest in R?

104

Give a brief introduction to an array in R?

Explain Disadvantages of R data visualization?

What are methods for character functions in R?

106

Explain advantages of density-based clustering in R?

What are problems with R clustering?

169

Why we need data visualization in R?

109

Explain the type of clustering in R?

110

What do you understand by scientific data visualization in R?

111

What do you understand by data visualization in R using ggplot2?

What are R applications of R clustering?

Explain how R programming applied to the real world?

105

What is a motivation behind data visualization in R?

What is meant by hierarchical Clustering in R?

105

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Un-Answered Questions { R Programming }

What is a dataframe in r?

Name some functions available in “dplyr” package.

What is sapply() in r?

121

What are the different data structures in r? Briefly explain about them.

What is mean in r?

115

Given a vector of values, how would you convert it into a time series object?

113

How you can create a table in r without external file?

What is rmarkdown? What is the use of it?

131

What is vectorization in r?

What data Visualizations in R you should learn?

111

What is transpose?

124

What is meant by hierarchical Clustering in R?

105

What are vector functions?

111

What is the difference between the data frame and a matrix in R?

What do you know about the evaluate_model() function from “statisticalmodeling” package

119

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