Spearman rank correlation- level of ranks












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$begingroup$


I have a question concerning the calculation of the Spearman rank correlation.



When calculating the formula you need to subtract the different ranks one from another.



Why can we do that? What is the level of measurement of ranks?



Thanks a lot for your answer. :)










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$endgroup$

















    0












    $begingroup$


    I have a question concerning the calculation of the Spearman rank correlation.



    When calculating the formula you need to subtract the different ranks one from another.



    Why can we do that? What is the level of measurement of ranks?



    Thanks a lot for your answer. :)










    share|cite|improve this question









    $endgroup$















      0












      0








      0





      $begingroup$


      I have a question concerning the calculation of the Spearman rank correlation.



      When calculating the formula you need to subtract the different ranks one from another.



      Why can we do that? What is the level of measurement of ranks?



      Thanks a lot for your answer. :)










      share|cite|improve this question









      $endgroup$




      I have a question concerning the calculation of the Spearman rank correlation.



      When calculating the formula you need to subtract the different ranks one from another.



      Why can we do that? What is the level of measurement of ranks?



      Thanks a lot for your answer. :)







      correlation






      share|cite|improve this question













      share|cite|improve this question











      share|cite|improve this question




      share|cite|improve this question










      asked Dec 4 '18 at 17:16









      Helena PokrivkaHelena Pokrivka

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