How Cambridge Analytica's Facebook targeting model really worked – according to the person who built it
March 30, 2018
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)
(THE CONVERSATION) The researcher whose work is at the center of the Facebook-Cambridge Analytica data analysis and political advertising uproar has revealed that his method worked much like the one Netflix uses to recommend movies.
In an email to me, Cambridge University scholar Aleksandr Kogan explained how his statistical model processed Facebook data for Cambridge Analytica. The accuracy he claims suggests it works about as well as established voter-targeting methods based o...