Introductory post: Going MEAN

This was the first post I wrote for the meanstack.info blog I have created for all things MEAN, now merged with kyrcha.info, the site you are at. Dear visitor, Hi! My name is Kyriakos Chatzidimitriou. If you would like you can find out more about.me. I like to...

Fitting a sigmoid curve in R

This is a short tutorial on how to fit data points that look like a sigmoid curve using the nls function in R. Let’s assume you have a vector of points you think they fit in a sigmoid curve like the ones in the figure below. The general form of the logistic or sigmoid...