R programming Interview Questions

Top R programming Interview Questions for Freshers & Experienced (2025)

Get the list of important basic and advanced R programming interview questions and answers for jobs (freshers, entry-level, experienced) in IT/Software companies.

R programming Interview Questions for Placement in IT & Software Companies (2025)

R programming Interview Questions

Here we have listed some R programming technical interview questions that are suitable for both freshers and experienced professionals at any level. These R programming interview questions with answers will help candidates pass the technical round interview.

Basic R programming Interview Questions and Answers for Freshers

If you are planning to crack any intermediate-level R programming technical round interview in the coming days, basic R programming interview questions for freshers will be the deciding factor in the entry-level job interview.

In this article, we are trying to provide some of the important beginner-level R programming interview questions with answers which are to the point. Here you will get the list of important R programming interview questions that will really help you in your placement preparation.

R programming Interview Questions and Answers for Experienced Professionals

A skilled R programming professional will help the company grow. So, during the hiring process, a company will always try to recruit potential candidates by asking the best R programming interview questions to check if the interviewee has advanced R programming skills/techniques. Therefore, advanced-level R programming technical interview preparation is a process that should be approached carefully.

Here we have listed some advanced-level R programming questions for professionals with years experience of working in R programming.

How to prepare for R programming Interview?

Your success in the R programming interview depends on pre-interview preparation. Here are some quick pointers to keep in mind:

  • Review the R programming job description.
  • Consider your eligibility for the job.
  • Prepare a list of expected R programming interview questions.
  • Practice R programming mock interviews.

The 5 most common R programming Interview Questions

Here are the 5 most popular questions asked in almost any R programming interview:

  • Q #1) What is R programming and its applications?
  • Q #2) What are the major features of R programming?
  • Q #3) What technical certifications do you hold?
  • Q #4) What do you do to improve your skills in R programming?
  • Q #5) What technical websites do you follow?

R programming Interview Questions for Freshers and Experienced Professionals

  1. What is R programming used for?
  2. What is R programming in simple words?
  3. Can R be used for machine learning?
  4. Is R easier or Python?
  5. Which is better R or Python?
  6. Is R better than Excel?
  7. What language is R similar to?
  8. Who uses R?
  9. Which language is best for data science?
  10. Why is R called R?
  11. How do I teach myself R?
  12. Why is R useful for data science?
  13. Is R easier than Java?
  14. Do software engineers use R?
  15. How do you write code in R?
  16. Where do I run an R code?
  17. Is R used at Google?
  18. What are the advantages of R programming?
  19. Is R used in industry?
  20. What is the fastest programming language?
  21. Which is the future programming language?
  22. Is Excel harder than coding?
  23. Is coding better than Excel?
  24. Is Python better than Excel?
  25. Who made R programming?
  26. Who invented R software?
  27. What is SQL and R?
  28. Is R programming similar to Java?
  29. Is R still in demand?
  30. Is R still used today?
  31. How many R programmers are there?
  32. Which is better for ML Python or R?
  33. Can you do AI in R?
  34. How hard is R after Python?
  35. What can you do with R language?
  36. What is a function in R?
  37. What does in R mean?
  38. WHAT IS features of R programming?
  39. Why is C called C?
  40. Is R programming easy?
  41. Is R similar to Python?
  42. Why is R better than Python?
  43. Is R easier than SQL?
  44. Is Python harder than R?
  45. What is c function R?
  46. What does == mean in R?
  47. What means %>% in R?
  48. What are the types in R programming?
  49. What is a vector in R?
  50. What is a list in R?
  51. How do I write a vector in R?
  52. What is difference between vector and list?
  53. How do I create a list in R?
  54. What does mean Python?
  55. What does select () do in R?
  56. What does %% mean in R?
  57. Why is == used instead of?
  58. What does the ++ mean?
  59. What are the types of vectors in R?
  60. What is C++ slang?
  61. What does the ++ symbol represent?
  62. What does += mean in C++?
  63. What c means?
  64. How do you write or in R?
  65. What does everything () do in R?
  66. What does filter () do in R?
  67. What does SD do in R?
  68. What is array in R?
  69. Is there a dictionary in R?
  70. What is Dataframe in R?

    71. Common Topics to Consider for R programming Interview

    • R Installation interview questions.
    • RStudio IDE interview questions.
    • R Advantage & Disadvantage interview questions.
    • R Hadoop Integration interview questions.
    • R Packages interview questions.
    • List of R Packages interview questions.
    • R Basics interview questions.
    • R Basic Syntax interview questions.
    • R Data Types interview questions.
    • R Data Structures interview questions.
    • R Variables interview questions.
    • R Keywords interview questions.
    • R Operators interview questions.
    • R Statements interview questions.
    • R If Statement interview questions.
    • If-else Statement interview questions.
    • else if Statement interview questions.
    • R Switch Statement interview questions.
    • R Next Statement interview questions.
    • R Break Statement interview questions.
    • R Loops interview questions.
    • R For Loop interview questions.
    • R Repeat Loop interview questions.
    • R While Loop interview questions.
    • R Functions interview questions.
    • R Functions interview questions.
    • R Built-in Functions interview questions.
    • R Data Structures interview questions.
    • R Vectors interview questions.
    • R Lists interview questions.
    • R Arrays interview questions.
    • R Matrix interview questions.
    • R Data Frame interview questions.
    • R Factors interview questions.
    • R Advance interview questions.
    • Data Reshaping interview questions.
    • Object-Oriented Programming interview questions.
    • R Debugging interview questions.
    • Data Interfaces interview questions.
    • R CSV File interview questions.
    • R Excel File interview questions.
    • R Binary File interview questions.
    • R JSON File interview questions.
    • R XML File interview questions.
    • R Database interview questions.
    • Data Visualization interview questions.
    • R Data Visualization interview questions.
    • R Pie Charts interview questions.
    • R Bar Charts interview questions.
    • R Boxplot interview questions.
    • R Histogram interview questions.
    • R Line Graphs interview questions.
    • R Scatterplots interview questions.
    • R Regression interview questions.
    • Linear Regression interview questions.
    • Multiple Regression interview questions.
    • Logistic Regression interview questions.
    • Poisson Regression interview questions.
    • R Statistics interview questions.
    • Normal Distribution interview questions.
    • Binomial Distribution interview questions.
    • R Classification interview questions.
    • Time Series Analysis interview questions.
    • R Random Forest interview questions.
    • T-Test in R interview questions.
    • Chi-Square Test interview questions.
    • R vs Python interview questions.

    Searches Related to R programming Job Interview Questions

    • R programming interview questions for entry-level jobs.
    • R programming interview questions for fresher jobs.
    • R programming interview questions for experienced professionals.
    • R programming interview questions for 1 year of experience.
    • R programming interview questions for 2 years of experience.
    • R programming interview questions for 3 years of experience.
    • R programming interview questions for 4 years of experience.
    • R programming interview questions for 5 years of experience.
    • R programming interview questions for 6 years of experience.
    • R programming interview questions for 7 years of experience.
    • R programming interview questions for 8 years of experience.
    • R programming interview questions for 9 years of experience.
    • R programming interview questions for 10 years of experience.
    • TCS - Tata Consultancy Services R programming interview questions.
    • HCL Technologies R programming interview questions.
    • Infosys R programming interview questions.
    • Wipro Technologies R programming interview questions.
    • Mphasis R programming interview questions.
    • Tech Mahindra R programming interview questions.
    • Capgemini India R programming interview questions.
    • Accenture R programming interview questions.
    • HData Systems R programming interview questions.
    • Larsen & Toubro Infotech (LTI) R programming interview questions.
    • Walmart India R programming interview questions.
    • Cognizant R programming interview questions.
    • Microsoft R programming interview questions.
    • 3i Infotech R programming interview questions.
    • Essar Steel R programming interview questions.
    • Oracle R programming interview questions.
    • IBM R programming interview questions.
    • IGATE R programming interview questions.
    • Tata Interactive Systems R programming interview questions.
    • Xerox R programming interview questions.
    • Zoho Corporation R programming interview questions.
    • Samsung India Software R programming interview questions.
    • Rediff.com R programming interview questions.
    • HSBC GLT R programming interview questions.
    • KPIT R programming interview questions.
    • iMerit R programming interview questions.
    • Sonata Software R programming interview questions.
    • Gateway TechnoLabs R programming interview questions.
    • Godrej Infotech R programming interview questions.
    • Mastek R programming interview questions.
    • Mindtree R programming interview questions.
    • Accel Frontline R programming interview questions.
    • Atom Technologies R programming interview questions.
    • Hyperlink InfoSystem R programming interview questions.
    • VVDN Technologies R programming interview questions.
    • Karvy Data Management Services R programming interview questions.
    • Avineon India R programming interview questions.
    • IDS Infotech R programming interview questions.
    • 3DPLM Software Solutions R programming interview questions.
    • Polaris Consulting & Services R programming interview questions.
    • IGT Solutions R programming interview questions.
    • L&T Technology Services R programming interview questions.
    • Infinite Computer Solutions R programming interview questions.
    • Societe Generale Global Solution Centre R programming interview questions.
    • Traject Freight R programming interview questions.
    • Firstsource R programming interview questions.
    • AGC Networks R programming interview questions.
    • Hexaware Technologies R programming interview questions.
    • Bosch Engineering And Business Solutions R programming interview questions.
    • Datamatics R programming interview questions.
    • Birlasoft R programming interview questions.
    • Persistent Systems R programming interview questions.
    • Cms It Services R programming interview questions.
    • Clover Infotech R programming interview questions.
    • To The New R programming interview questions.
    • Ericsson India R programming interview questions.
    • Urbanclap R programming interview questions.
    • eClerx R programming interview questions.
    • Suntec India R programming interview questions.
    • Justdial R programming interview questions.
    • Siemens Technology India R programming interview questions.
    • Nec Technologies India R programming interview questions.
    • Medlife International R programming interview questions.
    • Legato Health Technologies R programming interview questions.
    • Progressive Infotech R programming interview questions.
    • Infosys Bpm R programming interview questions.
    • Honeywell Turbo R programming interview questions.
    • Precision Informatic M R programming interview questions.
    • PWC - PricewaterhouseCoopers R programming interview questions.
    • Qualitykiosk Technologies R programming interview questions.
    • EXL Services R programming interview questions.
    • Meltwater R programming interview questions.
    • I Gate Global Solutions R programming interview questions.
    • Digital Global Software R programming interview questions.
    • Xavient Information Systems R programming interview questions.
    • Aloha Technology R programming interview questions.
    • Gemini Communication R programming interview questions.
    • Velocis Systems R programming interview questions.
    • MPS R programming interview questions.
    • Fujitsu India R programming interview questions.
    • Microland R programming interview questions.
    • Ex-hcl Alumni Members R programming interview questions.
    • Verteil Technologies R programming interview questions.
    • Ctrls Datacenters R programming interview questions.
    • Servion Global Solutions R programming interview questions.
    • ValueLabs R programming interview questions.
    • Allied Digital Services R programming interview questions.
    • Netmagic Solutions R programming interview questions.
    • Blue Star Infotech R programming interview questions.
    • C-DAC R programming interview questions.
    • CMC R programming interview questions.
    • Coforge R programming interview questions.
    • Collabera R programming interview questions.
    • Computer Sciences Corporation R programming interview questions.
    • Cyient R programming interview questions.
    • Melstar Information Technologies R programming interview questions.
    • Mistral Solutions R programming interview questions.
    • Monsoon Multimedia R programming interview questions.
    • Nucleus Software Exports R programming interview questions.
    • Onward Technologies R programming interview questions.
    • Oswald Labs R programming interview questions.
    • Pulsus Group R programming interview questions.
    • Quest Global R programming interview questions.
    • Ramco Systems R programming interview questions.
    • Sasken Technologies R programming interview questions.
    • SPAN Infotech R programming interview questions.
    • Thoughtworks R programming interview questions.
    • WNS Global Services R programming interview questions.
    • Xansa R programming interview questions.
    • Zensar R programming interview questions.