set or function

  1. R

    Sets functions and iterations

    I am new to algebra and help would be more than welcome to tell me if the process I have built is OK, and if my attempt to apply formula on two sets to create a new one is also OK. Context I have a database containing species records (e.g. 10 different species, with 100 rows by species ; in...
  2. S

    set/function

    What are the differences between set and function?