• jared@discsanddata.com
  • Siem Reap, Cambodia

Understanding the Metrics: Power Rankings, Threat Index and Strong Field Average Finish

Over on my disc golf data playground, www.discsanddata.ga, I have given visitors the opportunity to check out some metrics I have compiled using the disc golf data I have collected. The three metrics on the site look at tournament results from three different angles. Of course, the best players are represented in all of them, but the different inclusions and […]

Which AFL Kicker-Marker Pairs Have Tallied the Most Forward-50 Marks through round 20?

In this post I am only answering the question in the title. If you are curious How I got to these answers, you can take a look at my notebook on my github (https://github.com/jaredcahners/Round-20-F50-Marking-Pairs). Here is the answer in dataframe form. ‘Count’ is the total number of forward-50 marks a pairing has achieved. Some games were left out of the […]

Pythagorean Expectation and Australian Rules Football

Pythagorean expectation, attributed to baseball statistician Bill James is a formula originally used to describe a relationship between the number of runs a baseball team scores and allows, and the team’s winning percentage. The basic formula is… Winning Percentage = (Runs Scored)2/((Runs Scored)2 + (Runs Allowed)2) For example1 , the 2002 New York Yankees scored 897 runs and allowed 697. […]

Comparing Tournament Strength Calculations

Computing my disc golf power rankings is not a super complicated task, but it does have a few steps. I take a player’s placement in a particular tournament and give it a point value. I then adjust that value based on the tournament tier (major, national tour, ‘A’, ‘A/B’ etc. Excludes everything ‘B’ and below). I then alter the value […]

Jared’s Disc Golf Power Rankings V. 5

Even though none of us outside of Santa Cruz could watch it live, Masters Cup caused some interesting movement in my world famous power rankings. (If you are a data science type, I used some beautiful soup, pandas, SQL… y’know. Stuff like that. And, no, I didn’t use them well. I tried though. You can check out what all I […]

Jared’s Disc Golf Power Rankings V. 4

Big weekend in disc golf. US Women’s Championships for the women, and watching the US Women’s Championships for the men. Some definite movement in my most glorious of power rankings. (If you are a data science type, I used some beautiful soup, pandas, SQL… y’know. Stuff like that. And, no, I didn’t use them well. I tried though. You can […]