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

R Programming Interview Questions

Questions Answers Views Company eMail

Explain RStudio.

190

How can you load and use csv file in R?

What are Descriptive analysis methods in R?

101

What is the use of apply() in R?

What are R topical programming and statistical relevance?

119

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

What is GUI in R?

What are Features of Recursion?

What are Generic Functions in R?

243

How can you verify if a given object “X” is a matrix data object?

113

What is the function definition?

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

What is logistic regression?

What are the tools for debugging in R?

What is Predictive Analysis in R?

108

Un-Answered Questions { R Programming }

What do you understand by data visualization in R using ggplot2?

Which data structure is used to store categorical variables?

What are the different data structures in r? Briefly explain about them.

What do you understand by a workspace in r programming language?

How can you load and use csv file in R?

How would you facet the data using ggplot2 package?

Write a function in R language to replace the missing value in a vector with the mean of that vector?

168

Why Reshape R Package?

How would you check the distribution of a categorical variable in r?

What is iPlots?

138

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

188

Explain general format of matrices in r?

What is control structure in R?

104

What is bootstrapping in r?

116

Explain about “initialize()” function in r?

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