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?

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?

140

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 }

Give examples of “rbind()” and “cbind()” functions in r

156

What is the use of lattice package?

103

How you can start the r commander gui?

What is the function in r?

107

What is JIT package?

119

What is the difference between rnorm and runif functions ?

114

What are the different data structures in r?

how would you build a scatter-plot using plotly?

What is a random walk model and how can you simulate it using r?

101

How to use sapply in r?

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

103

Explain tcp/ip applications, services and protocols?

What is a white noise model?

129

Explain how you can start the r commander gui?

Explain more functions in brief in r?

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