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

R Programming Interview Questions

Questions Answers Views Company eMail

Write the syntax to set the path for current working directory in r environment?

107

Describe nchar() in r string manipulation?

R programming language has several packages for data science which are meant to solve a specific problem, how do you decide which one to use?

What will be the result of multiplying two vectors in r having different lengths?

114

Explain the significance of transpose in r language

172

Describe sprintf() in r string manipulation?

What is bootstrapping in r?

116

Explain more functions in brief in r?

How will you convert a factor variable to numeric in r language?

141

Which function in r language is used to find out whether the means of 2 groups are equal to each other or not?

141

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

Explain the usage of which() function in r language?

Enlist some of the functions that r provides?

What is r programming?

Differentiate between k-means clustering and hierarchical clustering?

110

Post New R Programming Questions

Un-Answered Questions { R Programming }

Which function in r language is used to find out whether the means of 2 groups are equal to each other or not?

141

Why the function anova()?

114

How would you facet the data using ggplot2 package?

Explain the type of clustering in R?

107

Explain statistical functions performed by R?

What are useful s3 method functions?

104

Mention what does not ‘R’ language do?

697

How you can start the r commander gui?

Which package provides the bootstrapping?

What is functional programming and memory issues in on the performance basis?

How can we create a table using R language without using external files?

100

What are the data structures in R that are used to perform statistical analyses and create graphs?

307

What are co-relations in R?

What is the use of lattice package?

103

What are various ways to write la oop in r?

For More Un-Answered { R Programming } Questions Click Here