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

R Programming Interview Questions

Questions Answers Views Company eMail

What are the different packages in r?

How can you import data in r?

Enlist the advantages of using r languages?

Compare r and python?

What are the steps involved in building and evaluating a linear regression model in r?

What is rattle package in r?

What are the different data structures in r?

What are the features of r programming?

103

What is with () and by () function in r is used for?

How you can start the r commander gui?

Explain how data is aggregated in r?

Explain general format of matrices in r?

What does not ‘r’ language do?

Explain how you can create a table in r without external file?

489

Explain what is with () and by () function in r is used for?

105

Un-Answered Questions { R Programming }

What is a factor? How would you create a factor in r?

What is t-tests() in R?

How many data structures does r language have?

Give some examples of the functions in stringr.

What is a random walk model?

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

How will you convert a factor variable to numeric in r language?

137

Which function in r language is used to find out whether the means of 2 groups are equal to each other or not?

135

How would you create a factor in r?

Explain what is t-tests in r?

Explain more functions in brief in r?

What is recycling of elements in an r vector? Give an example.

What are functions of Random forest in R?

How would you rename the columns of a dataframe?

What is bootstrapping in r?

105

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