https://almostintuitive.com/docs/data/Recent content in Data on Mark Aron SzulyovszkyHugo -- gohugo.ioen-UShttps://almostintuitive.com/docs/data/observational-studies/Mon, 20 Jul 2020 00:00:00 +0000https://almostintuitive.com/docs/data/observational-studies/Why you probably shouldn’t trust observational studies 1. Undersampling failure Let’s say you’re doing research on why certain companies are more successful than others. Your data set only contains successful companies. You’ll have a lot of them taking huge risks, that combined with luck created runaway success. And you completely ignored the companies who took huge risks, but weren’t lucky enough, and ended up being bankrupt. Your sample naturally overweight the unreasonable risk takers.