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

R Programming Interview Questions

Questions Answers Views Company eMail

How many control statements are present in r?

102

Which function is used to write files?

What are features of r functions?

How many ways are there to read and write files?

134

What is rmarkdown? What is the use of it?

131

What is s4 generic?

What is the random walk model in r?

102

Explain tcp/ip applications, services and protocols?

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

108

How r handles missing values?

How to construct a new s3 class?

What is using all() and any()?

118

How to construct new s4 class?

What is reference class?

What is the apply() family in r?

Un-Answered Questions { R Programming }

What is JIT in R?

107

How can you simulate noise model using r?

103

How to request an input from the user through keyboard and monitor?

Explain how R programming applied to the real world?

105

Give a brief introduction to an array in R?

What is a random forest? How do you build and evaluate a random forest in r?

What is the table in r?

What are r matrices and r matrices functions?

How will you create scatterplot matrices in r language?

100

What are connections In R?

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

What is factor variable in r language?

Describe substr() in r string manipulation?

128

How to create vectors in r?

Explain general format of matrices in r?

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