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 you can produce co-relations and covariances?

How data is aggregated in r?

Explain what is t-tests in r?

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

What is transpose?

114

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

How can you simulate noise model using r?

What are the different components of grammar of graphics?

What is correlation? How would you measure correlation in r?

How can you create a pca model in r?

109

What is principal component analysis?

How would you find the number of missing values in a dataset and remove all of them?

Give examples of “select” and “filter” functions from “dplyr” package.

How would you create a box-plot using “plotly”?

How would you rename the columns of a dataframe?

Un-Answered Questions { R Programming }

What is SAS and SPSS in R?

What is debugging in R?

What is t-tests() in R?

Explain how to operate on lists in r?

Explain more functions in brief in r?

What do you understand by scientific data visualization in R?

What is JIT package?

110

Explain the concept of principal component analysis?

Why is R Good for business?

List out some of the function that R provides?

Explain What is R?

173

Enlist the advantages of using r languages?

What are R applications of R clustering?

What is scan() in r?

What is r vector?

188

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