gridland

just use propensity scores + ipw and you have the same thing as a rct. :)

I work in advertising. The death of cookies is a huge annoyance to the industry. you are 100% correct that gclid or fbclid are just a means to store "the cookie" in plain text in the url string. All the big programmatic media platforms do it too now (The Trade Desk, Yahoo, etc).

That's cool. I'm a heavy R user and was like ???. RMarkdown is a game changer. Thanks for doing that and this.