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?

103

What is the use of apply() in R?

What are R topical programming and statistical relevance?

120

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?

250

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 }

Explain different types of objects present in R?

What is s4?

How do you check if “m” is a matrix data object in R?

How can you resample statistical tests in r language?

What is rmarkdown? What is the use of it?

114

Explain how you can start the r commander gui?

Why is R important for data science?

103

What is the use of abline() function?

Explain how R commands are written?

Write a custom function which will replace all the missing values in a vector with the mean of values.

What is the rattle package in r?

103

Explain how to save graphs in R?

Which package provides the bootstrapping?

What do you understand by scientific data visualization in R?

105

Explain how to write files?

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