The Beginner Programmer

Suppose you have a sample of your data, maybe even a large sample, and you want to draw some conclusions based on its probability density fu...

This is a script that has been resting on my desktop for months. Basically I would like to take my knowledge of image recognition with machi...

After some posts on correlation ( How to build a correlation matrix in Python ) and variance ( How to build a variance-covariance matrix in ...

Recently I wrote a script to calculate the VaR of a portfolio of stocks given historical prices and returns and, in order to do that, I had ...

Suppose you have an array of data, stocks returns for instance, and you are wondering whether there is some degree of correlation. If you ar...

I recently updated matplotlib and could finally use the style attribute from the updated module. I thought it might be a good time to plot s...

Here I am again with Machine Learning! This time I’ve achieved a great result though (for me at least!). By using another great dataset from...

A few months ago I downloaded the scikit-learn package for Python, for those of you who might not be aware, scikit-learn is a powerful yet v...

Likely the last post of the year, on a rather intriguing subject: fluid dynamics. Recently I’ve been asked to model a simulation for a seri...

Modelling Sun, Earth and Moon only? Naah that’s too naive. Let’s add some other planets! The code on my previous article was rather ugly. It...

Hello everyone! A few days ago my friend, as a joke, bet me to reproduce the Moon orbiting around the Earth. Well, I was a little afraid the...

Another subject we took in the statistics class was the Gini index. Gini index or ratio or coefficient is used to calculate how much a cert...

Hi everyone! Today I found my old statistics workbooks and start wondering what I could get out of them. Statistics can look pretty boring ...

Java, Java and Java again! Here is my last script in Java, which I wrote today. The script is quite simple, it is composed of three classes...

As i said earlier in my article in German, I studied Java only once in a while, since I had so many other things to do and study. Anyway her...