We all know Tux as the Linux penguin, and those that know me, understand how much I hate Microsoft, and that my [core logo][1], as shown down the right of my blog with Windows Sucks is what I preach. Well I’ve now had this made into a logo on tee-shirts.
As part of searching for images, I’ve come across a few alternative images that I really like, Tux and the BSD demon, Tux and the loosing Windows and MSN logo. You can find more of my collected works at Tux Images
The Chi-Squared test is one of the most widely used statistical tests for categorical data. It comes in two flavors: the goodness-of-fit test asks whether an observed frequency distribution matches an expected one, while the test of independence asks whether two categorical variables are associated with each other.
I am excited to be speaking at COSCUP 2026 in Taipei, Taiwan on August 8th and 9th. COSCUP (Conference for Open Source Coders, Users and Promoters) is one of the largest open source conferences in Asia, and it is always a privilege to present to the engaged and technically sharp community there.
The two sample t-test for equal variance is a statistical test to determine if the means of two groups are different enough that the difference is likely caused by some underlying difference, rather than random chance.
