Tweeted By @ericjang11

A logistic function has 3 free parameters, so in theory one can fit the curve from observing 3 data points. However, @clcrozier shows that when you are fitting points in the exponential / linear regime, it's still hard to fit it correctly! https://t.co/v4Uz4cNY6g

— Eric Jang 🇺🇸🇹🇼 (@ericjang11) April 19, 2020