Hi community ! I'm stuck on a problem of association. My data looks like : client Masterclient_1 Masterclient_2 Masterclient_3 a a b a b c e d b e e And I would like to add a column which make the relation between my observations. So it would be something like that : client Masterclient_1 Masterclient_2 Masterclient_3 MasterClient a a a b a b a c e e d b a e e e First I began by taking the first column filled but there is a mistake. The observation "d" would have an "e" in MasterClient instead of an "a" like the others of his group. Do you have an idea for solving that problem? An idea I'm exploring is to fill the blanks when it's possible. Like that I could be able to use my first method. You can answer in french or english. Thank you !
... View more