Interview questions

R-programming interview questions – page 3

150 questions. Tap “Show answer” to check yourself.

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

  2. What is Visualization in R?

  3. How many methods are there to save graphs?

  4. Why is R Important?

  5. What is R lists?

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

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

  8. What is Descriptive analysis in R?

  9. Explain statistical functions performed by R?

  10. Why R language?

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

  12. In R how you can import Data?

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

  15. Explain main features to write R code that runs faster?

  16. What is the function used for adding datasets in R?

  17. Explain the programming features of R?

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

  19. What is the reshaping of data in R?

  20. Compare R with other technologies.

  21. What are vector functions?

  22. What are connections In R?

  23. What are R Functions?

  24. What is SAS and SPSS in R?

  25. What are programming features of R?

  27. What are the applications of R?

  28. Define Cluster.stats() ?

  29. What are Ensemble Models in R?

  30. What is meant by character function in R?

  31. What do you understand by R cluster analysis?

  32. Explain how R programming applied to the real world?

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