difference between sort(), rank(), and order() in R [duplicate]





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  • rank and order in R

    6 answers




What is the difference between sort(), rank(), and order() in R. Can you explain with examples ?






r sorting rank







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marked as duplicate by PoGibas, RLave, phiver, MLavoie, Henrik Jan 3 at 10:21


This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

























    -3
















    This question already has an answer here:




    • rank and order in R

      6 answers




    What is the difference between sort(), rank(), and order() in R. Can you explain with examples ?






    r sorting rank







    share|improve this question















    marked as duplicate by PoGibas, RLave, phiver, MLavoie, Henrik Jan 3 at 10:21


    This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.





















      -3












      -3








      -3









      This question already has an answer here:




      • rank and order in R

        6 answers




      What is the difference between sort(), rank(), and order() in R. Can you explain with examples ?






      r sorting rank







      share|improve this question

















      This question already has an answer here:




      • rank and order in R

        6 answers




      What is the difference between sort(), rank(), and order() in R. Can you explain with examples ?





      This question already has an answer here:




      • rank and order in R

        6 answers







      r sorting rank




      r sorting rank






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Jan 3 at 8:24









      PoGibas

      17.8k154779




      17.8k154779










      asked Jan 3 at 6:24









      Amit GuptaAmit Gupta

      402514




      402514




      marked as duplicate by PoGibas, RLave, phiver, MLavoie, Henrik Jan 3 at 10:21


      This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.









      marked as duplicate by PoGibas, RLave, phiver, MLavoie, Henrik Jan 3 at 10:21


      This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.


























          1 Answer
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          3














          sort() sorts the vector in an ascending order.



          rank() gives the respective rank of the numbers present in the vector, the smallest number receiving the rank 1.



          order() returns the indices of the vector in a sorted order.



          for example: if we apply these functions are applied to the vector - c (3, 1, 2, 5, 4)



          sort(c (3, 1, 2, 5, 4)) will give c(1,2,3,4,5)



          rank(c (3, 1, 2, 5, 4)) will give c(3,1,2,5,4)



          order(c (3, 1, 2, 5, 4)) will give c(2,3,1,5,4).
          if you put these indices in this order, you will get the sorted vector. Notice how v[2] = 1, v[3] = 2, v[1] = 3, v[5] = 4 and v[4] = 5



          also there is a tie handling method in R. If you run rank(c (3, 1, 2, 5, 4, 2)) it will give Rank 1 to 1, since there are two 2 present R will rank them on 2 and 3 but assign Rank 2.5 to each of them, next 3 will get Rank 4.0, so



          rank(c (3, 1, 2, 5, 4, 2)) will give you output [4.0 1.0 2.5 6.0 5.0 2.5]



          Hope this is helpful.






          share|improve this answer





















          • 1





            Also worth mentioning how rank handles ties. Check for example rank(c(3, 1, 2, 5, 4, 2))

            – Ronak Shah
            Jan 3 at 6:32













          • If order is confusing, think of it in context of sorting a vector using index notation: c(3, 1, 2, 5, 4)[order(c(3, 1, 2, 5, 4))]

            – Khaynes
            Jan 3 at 6:44











          • RonakShah edited the answer as per you suggestion

            – Amit Gupta
            Jan 3 at 6:59


















          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          3














          sort() sorts the vector in an ascending order.



          rank() gives the respective rank of the numbers present in the vector, the smallest number receiving the rank 1.



          order() returns the indices of the vector in a sorted order.



          for example: if we apply these functions are applied to the vector - c (3, 1, 2, 5, 4)



          sort(c (3, 1, 2, 5, 4)) will give c(1,2,3,4,5)



          rank(c (3, 1, 2, 5, 4)) will give c(3,1,2,5,4)



          order(c (3, 1, 2, 5, 4)) will give c(2,3,1,5,4).
          if you put these indices in this order, you will get the sorted vector. Notice how v[2] = 1, v[3] = 2, v[1] = 3, v[5] = 4 and v[4] = 5



          also there is a tie handling method in R. If you run rank(c (3, 1, 2, 5, 4, 2)) it will give Rank 1 to 1, since there are two 2 present R will rank them on 2 and 3 but assign Rank 2.5 to each of them, next 3 will get Rank 4.0, so



          rank(c (3, 1, 2, 5, 4, 2)) will give you output [4.0 1.0 2.5 6.0 5.0 2.5]



          Hope this is helpful.






          share|improve this answer





















          • 1





            Also worth mentioning how rank handles ties. Check for example rank(c(3, 1, 2, 5, 4, 2))

            – Ronak Shah
            Jan 3 at 6:32













          • If order is confusing, think of it in context of sorting a vector using index notation: c(3, 1, 2, 5, 4)[order(c(3, 1, 2, 5, 4))]

            – Khaynes
            Jan 3 at 6:44











          • RonakShah edited the answer as per you suggestion

            – Amit Gupta
            Jan 3 at 6:59
















          3














          sort() sorts the vector in an ascending order.



          rank() gives the respective rank of the numbers present in the vector, the smallest number receiving the rank 1.



          order() returns the indices of the vector in a sorted order.



          for example: if we apply these functions are applied to the vector - c (3, 1, 2, 5, 4)



          sort(c (3, 1, 2, 5, 4)) will give c(1,2,3,4,5)



          rank(c (3, 1, 2, 5, 4)) will give c(3,1,2,5,4)



          order(c (3, 1, 2, 5, 4)) will give c(2,3,1,5,4).
          if you put these indices in this order, you will get the sorted vector. Notice how v[2] = 1, v[3] = 2, v[1] = 3, v[5] = 4 and v[4] = 5



          also there is a tie handling method in R. If you run rank(c (3, 1, 2, 5, 4, 2)) it will give Rank 1 to 1, since there are two 2 present R will rank them on 2 and 3 but assign Rank 2.5 to each of them, next 3 will get Rank 4.0, so



          rank(c (3, 1, 2, 5, 4, 2)) will give you output [4.0 1.0 2.5 6.0 5.0 2.5]



          Hope this is helpful.






          share|improve this answer





















          • 1





            Also worth mentioning how rank handles ties. Check for example rank(c(3, 1, 2, 5, 4, 2))

            – Ronak Shah
            Jan 3 at 6:32













          • If order is confusing, think of it in context of sorting a vector using index notation: c(3, 1, 2, 5, 4)[order(c(3, 1, 2, 5, 4))]

            – Khaynes
            Jan 3 at 6:44











          • RonakShah edited the answer as per you suggestion

            – Amit Gupta
            Jan 3 at 6:59














          3












          3








          3







          sort() sorts the vector in an ascending order.



          rank() gives the respective rank of the numbers present in the vector, the smallest number receiving the rank 1.



          order() returns the indices of the vector in a sorted order.



          for example: if we apply these functions are applied to the vector - c (3, 1, 2, 5, 4)



          sort(c (3, 1, 2, 5, 4)) will give c(1,2,3,4,5)



          rank(c (3, 1, 2, 5, 4)) will give c(3,1,2,5,4)



          order(c (3, 1, 2, 5, 4)) will give c(2,3,1,5,4).
          if you put these indices in this order, you will get the sorted vector. Notice how v[2] = 1, v[3] = 2, v[1] = 3, v[5] = 4 and v[4] = 5



          also there is a tie handling method in R. If you run rank(c (3, 1, 2, 5, 4, 2)) it will give Rank 1 to 1, since there are two 2 present R will rank them on 2 and 3 but assign Rank 2.5 to each of them, next 3 will get Rank 4.0, so



          rank(c (3, 1, 2, 5, 4, 2)) will give you output [4.0 1.0 2.5 6.0 5.0 2.5]



          Hope this is helpful.






          share|improve this answer















          sort() sorts the vector in an ascending order.



          rank() gives the respective rank of the numbers present in the vector, the smallest number receiving the rank 1.



          order() returns the indices of the vector in a sorted order.



          for example: if we apply these functions are applied to the vector - c (3, 1, 2, 5, 4)



          sort(c (3, 1, 2, 5, 4)) will give c(1,2,3,4,5)



          rank(c (3, 1, 2, 5, 4)) will give c(3,1,2,5,4)



          order(c (3, 1, 2, 5, 4)) will give c(2,3,1,5,4).
          if you put these indices in this order, you will get the sorted vector. Notice how v[2] = 1, v[3] = 2, v[1] = 3, v[5] = 4 and v[4] = 5



          also there is a tie handling method in R. If you run rank(c (3, 1, 2, 5, 4, 2)) it will give Rank 1 to 1, since there are two 2 present R will rank them on 2 and 3 but assign Rank 2.5 to each of them, next 3 will get Rank 4.0, so



          rank(c (3, 1, 2, 5, 4, 2)) will give you output [4.0 1.0 2.5 6.0 5.0 2.5]



          Hope this is helpful.







          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited Jan 3 at 6:58

























          answered Jan 3 at 6:31









          Amit GuptaAmit Gupta

          402514




          402514








          • 1





            Also worth mentioning how rank handles ties. Check for example rank(c(3, 1, 2, 5, 4, 2))

            – Ronak Shah
            Jan 3 at 6:32













          • If order is confusing, think of it in context of sorting a vector using index notation: c(3, 1, 2, 5, 4)[order(c(3, 1, 2, 5, 4))]

            – Khaynes
            Jan 3 at 6:44











          • RonakShah edited the answer as per you suggestion

            – Amit Gupta
            Jan 3 at 6:59














          • 1





            Also worth mentioning how rank handles ties. Check for example rank(c(3, 1, 2, 5, 4, 2))

            – Ronak Shah
            Jan 3 at 6:32













          • If order is confusing, think of it in context of sorting a vector using index notation: c(3, 1, 2, 5, 4)[order(c(3, 1, 2, 5, 4))]

            – Khaynes
            Jan 3 at 6:44











          • RonakShah edited the answer as per you suggestion

            – Amit Gupta
            Jan 3 at 6:59








          1




          1





          Also worth mentioning how rank handles ties. Check for example rank(c(3, 1, 2, 5, 4, 2))

          – Ronak Shah
          Jan 3 at 6:32







          Also worth mentioning how rank handles ties. Check for example rank(c(3, 1, 2, 5, 4, 2))

          – Ronak Shah
          Jan 3 at 6:32















          If order is confusing, think of it in context of sorting a vector using index notation: c(3, 1, 2, 5, 4)[order(c(3, 1, 2, 5, 4))]

          – Khaynes
          Jan 3 at 6:44





          If order is confusing, think of it in context of sorting a vector using index notation: c(3, 1, 2, 5, 4)[order(c(3, 1, 2, 5, 4))]

          – Khaynes
          Jan 3 at 6:44













          RonakShah edited the answer as per you suggestion

          – Amit Gupta
          Jan 3 at 6:59





          RonakShah edited the answer as per you suggestion

          – Amit Gupta
          Jan 3 at 6:59





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