Machine learning tutorials mini-site

It’s been ages since I wrote my last post. I am planning to be more active from now on (I hope). I’ve been wanting to do a mini-site with machine learning tutorials for years and finally here it is! The mini-site is ml-tutorials.kyrcha.info and its GitHub repo:...

The S-CASE concept

This is a post I wrote for the S-CASE project blog. S-CASE or Scaffolding Scalable Software Services is an EU funded FP7 project I am currently working on as a technical coordinator. The post below describes what the project is about. The S-CASE project is about...

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...