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

R Programming Interview Questions

Questions Answers Views Company eMail

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

287

What is the recycling of elements in a vector? Give an example.

259

Explain main features to write R code that runs faster?

204

Why R language?

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

In R how you can import Data?

What is Descriptive analysis in R?

107

Explain statistical functions performed by R?

What is R lists?

What is the main difference between an Array and a matrix?

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

160

Why is R Important?

What is an Atomic vector and how many types of atomic vectors are present in R?

149

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

106

What is Visualization in R?

Un-Answered Questions { R Programming }

What are the steps involved in building and evaluating a linear regression model in r?

In r how missing values are represented?

Which packages are used to store and restore R objects to and from a file in R language?

What is vectorization in r?

What is a dataframe in r?

How using rprof() to find slow spots in your code in r?

What is a random walk model?

What are statistical software and data analysis in r?

Why the function anova()?

108

Explain how to read data or a matrix from a file?

115

What are tools for debugging in r?

What is the apply() family in r?

What is a file in r?

How will you combine multiple different string like “data”, “science”, “in” ,“r”, “programming” as a single string “data_science_in_r_programmming” ?

128

What is a factor?

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