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

R Programming Interview Questions

Questions Answers Views Company eMail

Explain What is R?

175

Explain what is transpose?

What are debuggers and debugging techniques in R?

What is JIT package?

110

What is string manipulation in R?

Give the command to check if the element 15 is present in vector x?

Can we update and delete any of the elements in a list?

What are co-relations in R?

What is the use of abline() function?

What is Preliminaries in R?

What is t-tests() in R?

What is the purpose of using Next statement in R language?

What is the regular expression in R string manipulation?

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

What is the byte in R?

Un-Answered Questions { R Programming }

How to remove all the objects?

What do you understand by R cluster analysis?

111

In r how missing values are represented?

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

What is median in r?

What is a graphic device?

What packages are used for data mining in r?

What is procedural programming in r?

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

What is rattle package in r?

What is a variable assignment?

Explain how to create a function in arguments using apply() in r?

What is a dataframe in r?

Explain in brief preliminaries of C/C++?

107

Who and When R discovered?

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