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?

105

Enlist the advantages of using r languages?

Compare r and python?

101

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?

113

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?

495

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

115

Un-Answered Questions { R Programming }

What is function in r?

104

From the below data-set, extract only those values where age>60 and sex=”f”.

518

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

105

What are the different components of grammar of graphics?

What is regular expression syntax?

103

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

Explain how to repeat vectors in r?

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

What is r vector?

200

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

267

Explain about confusion matrix in r?

What are tools for debugging in r?

Explain different types of objects present in R?

Is R is a slow language?

What is functional programming and memory issues in on the performance basis?

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