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

R Programming Interview Questions

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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?

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?

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 }

Explain Disadvantages of R data visualization?

What is the use of apply() in R?

How can you create a pca model in r?

What is reference class?

What are the advantages of R?

What are co-relations in R?

Why should you adopt R programming language?

What are the different data structures in r?

Mention what does not ‘R’ language do?

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What are the applications of R?

What is recursive function in r?

How will you combine multiple different string like “data”, “science”, “in” ,“r”, “programming” as a single string “data_science_in_r_programmming” ?

What is an arbitrary function in r?

What is the random walk model in r?

What will be the output of log (-5.8) when executed on r console?

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