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 }

Why the stepaic()?

Name the functions which help in importing data from other applications in R?

How would you rename the columns of a dataframe?

Which function is used to create a boxplot graph in R?

105

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

104

Explain advantages of density-based clustering in R?

Name all control statements present in r?

How will you measure the probability of a binary response variable in r language?

How will you merge two dataframes in r programming language?

What is the difference between the data frame and a matrix in R?

Differentiate between library() and require()?

What is Preliminaries in R?

Which data object in r is used to store and process categorical data?

121

What is the reshaping of data in R?

124

How can you load a .csv file in r?

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