How to Reverse a List in R


How to Reverse a List in R ?

Answer

To reverse a list in R, you can use the built-in rev() function.



✐ Examples

1 Reverse a List using rev() Function

In this example,

  1. We have a list named original_list containing elements in the original order.
  2. We use the rev() function to reverse the list.

R Program

original_list <- c(1, 2, 3, 4, 5)
reversed_list <- rev(original_list)
print("Reversed list:", reversed_list)

Output

Reversed list: 5 4 3 2 1

2 Reverse a List using rev() Function with Character List

In this example,

  1. We have a character list named original_list.
  2. We use the rev() function to reverse the list.

R Program

original_list <- c("apple", "banana", "orange", "grape")
reversed_list <- rev(original_list)
print("Reversed list:", reversed_list)

Output

Reversed list: grape orange banana apple

Summary

In this tutorial, we learned How to Reverse a List in R language with well detailed examples.




More R Lists Tutorials

  1. How to create an Empty List in R ?
  2. How to Initialize a List in R ?
  3. How to Get Length of a List in R ?
  4. How to create a List of size N in R ?
  5. How to create a List of Numbers from 1 to N in R ?
  6. How to create a List of Strings in R ?
  7. How to create a List of Empty Lists in R ?
  8. How to Access Elements in a List in R ?
  9. How to get Element in a List at a Specific Index in R ?
  10. How to get First Element in a List in R ?
  11. How to get Last Element in a List in R ?
  12. How to Iterate Over a List in R ?
  13. How to Iterate Over a List with Index in R ?
  14. How to Iterate Over a List in Reverse Order in R ?
  15. How to check if a List is Empty in R ?
  16. How to check if a List is Not Empty in R ?
  17. How to get Sub List in R ?
  18. How to get the Index of Specified Element in a List in R ?
  19. How to check if a Specific Element is present in the List in R ?
  20. How to check if a List contains all the elements of Another List in R ?
  21. How to count the Number of Occurrences of Specific Element in the List in R ?
  22. How to find the Element with Maximum Number of Occurrences in a List in R ?
  23. How to find the Element with Minimum Number of Occurrences in a List in R ?
  24. How to Sort a List in R ?
  25. How to Sort a List in Ascending Order in R ?
  26. How to Sort a List in Descending Order in R ?
  27. How to create a Two Dimensional List in R ?
  28. How to Iterate over a Two Dimensional List in R ?
  29. How to create a Three Dimensional List in R ?
  30. How to Copy a List in R ?
  31. How to deep Copy a List in R ?
  32. How to Split a List in R ?
  33. How to Join Lists in R ?
  34. How to Append an Element to a List in R ?
  35. How to Insert an Element at Specific Index in a List in R ?
  36. How to Append a List to another List in R ?
  37. How to Concatenate Two Lists in R ?
  38. How to check if Two Lists are Equal in R ?
  39. How to check if Two Lists have Same Elements (Regardless of Order) in R ?
  40. How to Convert a List of Integers to a List of Strings in R ?
  41. How to Convert a List of Strings to a List of Integers in R ?
  42. How to Convert a List of Floats to a List of Strings in R ?
  43. How to Convert a List of Strings to a List of Floats in R ?
  44. How to Reverse a List in R ?
  45. How to Slice a List in R ?
  46. How to Slice First N Elements from a List in R ?
  47. How to Slice Last N Elements from a List in R ?
  48. How to Rotate Elements in a List in R ?
  49. How to Filter Elements of a List based on a Condition in R ?
  50. How to Remove Duplicates in a List in R ?
  51. How to Remove Element at a Specific Index from a List in R ?
  52. How to Remove Specific Element from a List in R ?
  53. How to Remove Element from List based on a Condition in R ?
  54. How to Sort a List of Strings in Dictionary Order in R ?
  55. How to Concatenate Strings in List in R ?
  56. How to create a List of Lists in R ?
  57. How to create a List of Dictionaries in R ?
  58. How to create a List of Sets in R ?