The method has some advantages over correlation: not all of the data must be numeric and one result of the method is a judgment in the confidence in an explanatory relationship.
ðə mˈɛθəd hɐz sˌʌm ɐdvˈæntɪdʒᵻz ˌoʊvɚ kˌɔɹɪlˈeɪʃən: nˌɑːt ˈɔːl ʌvðə dˈeɪɾə mˈʌst biː nuːmˈɛɹɪk ænd wˈʌn ɹɪzˈʌlt ʌvðə mˈɛθəd ɪz ɐ dʒˈʌdʒmənt ɪnðə kˈɑːnfɪdəns ɪn ɐn ɛksplˈænətˌoːɹi ɹᵻlˈeɪʃənʃˌɪp.