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 join multiple strings together?

What is a random walk model and how can you simulate it using r?

101

How can you load a .csv file in r?

What is a factor?

What is a white noise model?

130

What is a white noise model and how can you simulate it using r?

Explain the different data structures in r?

What is a random forest? How do you build and evaluate a random forest in r?

Give examples of “rbind()” and “cbind()” functions in r

156

What is the use of stringr package.

Explain about confusion matrix in r?

How would you extract one particular word from a string?

Given a vector of values, how would you convert it into a time series object?

105

What do you know about the evaluate_model() function from “statisticalmodeling” package

115

How would you fit a linear model over a scatter-plot?

Post New R Programming Questions

Un-Answered Questions { R Programming }

Explain general format of matrices in r?

How to construct new s4 class?

Why is R Important?

What is R studio and how to use it?

Name various sectors that are using R?

113

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

Explain how to create a list in r?

Give examples of “select” and “filter” functions from “dplyr” package.

What is CLI in R?

Explain for loop control statement in r?

What are debuggers and debugging techniques in R?

I have a string “contact@dataflair.com”. Which string function can be used to split the string into two different strings “contact@dataflair” and “com”?

What are Descriptive analysis methods in R?

103

What are functions of Random forest in R?

104

Enlist the advantages of using r languages?

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