Max Ahn

Expected Returns at a Casino

It's often said that you can't win at a casino, that even if you get lucky and win a few times you'll end up losing money in the long run. In this post, we take an analytical look at whether this statement is true and why.

R

Risk/Return Analysis of Stocks

In a previous post, we have explored how volatility is widely accepted as a strong indictor of risk in the financial market. Using this concept of risk, let us analyse the historical risk vs. return profiles of several large-cap stocks.

Statistics

Calculating the Minimum Size for Sample Testing

When you’re testing a new model, a new product or a new process, how do you determine how good it is? One of the most common practical methods to answering that question is to take random samples for testing.

R

Random Walks in the Stock Market with R

Random walks can be a very useful tool to instill an intuitive appreciation of what different volatility levels can feel like.

Cloud Computing

Your Own Cloud Computing Platform for Data Science, Part 3 (Setting up RStudio Server)

By the end of this post you should have a full RStudio environment running on your VPS, which you can access through a web browser no matter what platform you're on (PC, tablet, or even mobile phone).

Cloud Computing

Your Own Cloud Computing Platform for Data Science, Part 2 (Setting up a VPS)

This post explains what a VPS is, and guides you through the process of obtaining one.

Cloud Computing

Your Own Cloud Computing Platform for Data Science, Part 1 (Introduction)

With Cloud Computing, you’ll always be accessing the exact same working environment regardless of whether you’re logging in from your iPad, laptop or any other device. In this series of posts, I’ll go through each step of setting up such a platform for yourself.