# R Programming Online Quiz Questions and Answers

**1. R Quiz Questions**

**R** Technology is an open source programming language. One of the most important things of R is that it produces the best publication quality post. This is because R is available as Free Software under the terms of the Free Software Foundation’s GNU. R is a very important topic because R is trending too much nowadays. If you are not familiar with R you can go through our **R tutorials**. After reading this tutorial, to boost your mind and to check your knowledge you can refer this R Programming online quiz questions and answers. This quiz is totally based on R.

This R programming quiz contained objective type questions related to R as well as we have cover detailed answers also for the better understanding of each and every question.

If you have any doubt about any questions in this R programming online quiz, so please share with us in the comment section given below. Hope we will help you.

Play our next R Programming Quiz Part – 2

Q.5. A matrix is ___dimensional rectangular data set?

plz tell me answer

correct answer is 2. but here it is not accepting as a right answer..

Hi Sai Kumar,

Thanks for asking a Query, on “R Programming Online Quiz”. It was just a Type error the correct answer is “A Matrix is TWO-dimensional rectangular data set.

Hope we solve your query.

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Q.5. A matrix is ___dimensional rectangular data set?

The Answer is Two in accordance to the given link, but the result is marking as wrong…

Hi Koushik Roy,

Thanks for Commenting on this R Quiz and help other readers. It was just a Type Error, we solved it, Hope you are enjoying this R programming tutorial and you can practice your R programming Knowledge in other R Quiz Part – 2.

Regards,

Data-Flair

________ provides needed string operators in R

Answer of this question???

Hi Sambhaji Jogdand,

Thanks for Asking query on “R Programming Quiz”, the correct answer “stringr”.

Keep Learning and Keep visiting Data-Flair

Tell me the answers

Hello Pratyusha,

You asked for the answers. When you attempt the R programming Quiz, click on the option which you feel is correct. If it shows green color, it means you answered correctly and if it shows red it means you have selected an incorrect answer. The interesting part of this online R quiz is that it gives you the explanation with the link so that you can learn the concepts deeply.

If you are still confused we are happy to help.

so good

Thank you, Nattakit,

So, you have checked your knowledge with R quiz. Now, prepare yourself for your upcoming R interviews –

https://data-flair.training/blogs/r-interview-questions-and-answers/

Share feedback again.

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