Alex Prejean / Orlandobyalexprejean.ipynb Last checkpoint: Oct 2026

Alex Prejean

Based in Orlando. I like using data, software, and systems thinking to answer whatever questions I come up with.

01Investigate

Questions I'm trying to answer

What Recruiting Rank Predicts in the NBARSCI classes, 2011–2018
Published analysisDo American Men Perform Better at the US Open?Men’s Grand Slams, 2016–2025
Exploratory analysisWhat Recruiting Rank Predicts in the NFL247Sports Composite, 2011–2017
Published analysisThe End of Home Turf?Roster geography, 2009–25
Interactive analysisHow Unusual Was the Patriots’ Kicking Gap?NFL regular seasons, 2001–2019
Published analysis
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02Build

Tools and projects

NBA WorkbenchCounterfactuals · public beta
Open index

03Write

How Much Offense Can Orlando's Defense Create?Basketball · Oct 2026
5 min readThe Average NFL Player Throws Half a Touchdown Per SeasonBasketball · Sep 2026
10 min readShot Economy: More and BetterBasketball · Sep 2026
14 min readThe Marginal Possession ≠ the Average PossessionBasketball · Sep 2026
10 min readHow Much "Talent" Does Sean Sweeney Inherit?Basketball · Sep 2026
6 min read
Open writing