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 is a loop in r?

100

How using rprof() to find slow spots in your code in r?

What is data structure in r?

X is the vector c(5,9.2,3,8.51,na), what is the output of mean(x)?

1142

What is readline() in r?

104

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

Explain r graphics devices?

What is a dataframe in r?

What is attribute function in r?

142

What is a file in r?

101

What is variance in r?

What are various steps involved in analytics project in r?

Explain if control statements in r?

What is function in r?

104

What is compiler in r?

Un-Answered Questions { R Programming }

What is rmarkdown? What is the use of it?

114

What is the use of abline() function?

What packages are used for data mining in r?

What will be the result of multiplying two vectors in r having different lengths?

116

How do I sort in descending order in r?

Name all control statements present in r?

What is the of use Matrix package?

What is r programming?

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

105

What do copy-on-change issues in r?

100

Give the syntax for creating scatterplot matrices?

111

What is an arbitrary function in r?

What are various ways to write la oop in r?

Which function is used to create a boxplot graph in R?

112

What do you know about the evaluate_model() function from “statisticalmodeling” package

115

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