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 }

How can you load and use csv file in R?

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

How can you load a .csv file in r?

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

What data Visualizations in R you should learn?

111

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

How can you save your data in R?

105

What is data mining and what data miners do in R?

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

119

Name some packages in r, which can be used for data imputation?

188

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

103

Mention what does not ‘R’ language do?

703

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

What is factor variable in r language?

Explain how to manipulate list elements in r?

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