Mind the Gender PayGap

I have been wondering how the gender pay gap in the university sector compares with the average across other sectors, so I thought I'd look at the data. Last update: 23 March 2018. The data I'm using come from the current UK returns on gender pay differences. Every company in the UK with more then 250 …

Friends of Fiends

It's not a typo. Well it is, but this time it's deliberate. I mistype friends-of-friends so often that I've decided to just give in and call my algorithm "friends-of-fiends" (FOF) instead. Problem statement:  Student X is analysing data towards a galaxy cluster that doesn't have a known redshift, i.e. a known distance away from us. …

Making Faces

Recently I've been thinking about classification again, this time with more of an emphasis on object detection. Even surprising complex and diverse objects can be detected using machine learning algorithms: trees, people, fruit... First off, let's draw a line between detection and recognition. For example, when it comes to people, facial detection is simply telling …

Twitter in Python

There's a lot of social media analysis going on these days. One of the prime sources of data is Twitter - and it's available to everyone. Well, mostly. Twitter data flows continuously in a stream. Around the world people Tweet about 6,000 times a second. That's about 500 million Tweets per day. If you want …