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 would you do a left and right join in r?

Name some packages in r, which can be used for data imputation?

184

What is a factor? How would you create a factor in r?

What is the use of stringr package. Give some examples of the functions in stringr.

give examples of while and for loop in r.

How do I sort in descending order in r?

Un-Answered Questions { R Programming }

How would you find the number of missing values in a dataset and remove all of them?

Explain how you can start the r commander gui?

What is the difference between the library() and require() functions in R language?

How to use sapply in r?

List the functions available in “dplyr” package?

Explain in brief preliminaries of C/C++?

102

What is Predictive analysis process in R?

116

How will you list all the datasets available in all R packages?

Differentiate between k-means clustering and hierarchical clustering?

104

Describe strsplit() in r string manipulation?

How can you merge two data frames in R language?

135

How many types of object are present In R?

What is debugging in R?

How many tools for debugging present in r?

What is the use of lattice package?

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