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

R Programming Interview Questions

Questions Answers Views Company eMail

In r how missing values are represented?

Mention how you can produce co-relations and covariances?

What are r data types?

108

What is inheritance in s3 class?

What is apply() function in r?

Explain how to repeat vectors in r?

What packages are used for data mining in r?

What does tcp/ip work?

What is s3 in r?

What is s4?

Name all control statements present in r?

What is function definition?

What is the use of lattice package?

Explain the concept of principal component analysis?

What are r matrices and r matrices functions?

Un-Answered Questions { R Programming }

Write the r programming code for an array of words so that the output is displayed in decreasing frequency order?

104

What is function definition?

Which function is used to write files?

Enlist the advantages of using r languages?

How to create axes in the graph?

List the functions available in “dplyr” package?

Describe nchar() in r string manipulation?

What is more functions in r and name them?

Explain how data is aggregated in r?

How can you simulate noise model using r?

List out some of the function that R provides?

What is reference class?

How to rename a variable?

Which data structure is used to store categorical variables?

What are Features of Recursion?

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