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 to call c function from r?

121

Why is clustering required in data analysis?

What is the rattle package in r?

106

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

How to rename a variable?

How many types of vectors are present in r?

Explain how to access list elements in r?

100

What is r matrices?

What is r’s c interface?

112

How to create vectors in r?

How to use sapply in r?

What is r vector?

204

What are various ways to write la oop in r?

What is oop in r?

What is tcp/ip variable smc-r storage allocations?

114

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Un-Answered Questions { R Programming }

Explain different types of objects present in R?

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

113

How many tools for debugging present in r?

Explain the concept of principal component analysis?

What is function in r?

106

Explain advantages of density-based clustering in R?

What is Descriptive analysis in R?

113

What are Ensemble Models in R?

123

Which function is used to create a histogram visualisation in r programming language?

135

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

521

What are useful s3 method functions?

108

What is the table in r?

How will you combine multiple different string like “data”, “science”, “in” ,“r”, “programming” as a single string “data_science_in_r_programmming” ?

134

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

What are covariances in R?

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