Neil Pierre-Louis
@pierreanalytics
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Developer, Baseball Systems @redsox | Creator of @nhlxgbot and https://t.co/zsGV3hLt75 | Former @uncanalytics @google | UNC Alum (‘23)
Boston, MA
Joined November 2021
Just wrote my first ever article! Check it out, let me know if you have any feedback. Pretty short but hope y'all enjoy it.
Planning for it mostly to just be hockey analysis, but would y’all want to see any engineering stuff? Could talk about the hockey website stuff or even advice for baseball systems roles/stuff I’ve learned so far.
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@ThomasDrance Saw you just liked this 😹😹😹, still the same tier of defenders even though Hughes is the better one rn, the Adam Fox disrespect is insane.
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Let’s get another Red Sox all-star!!!.
"But I’m like, alright, you come out here if it’s so easy.”. Red Sox Ball Attendant Jacque Harrington is unfazed by the boos and up for All-Star consideration. I talked with her about her surprise candidacy on Monday.
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RT @Jake3Roy: "But I’m like, alright, you come out here if it’s so easy.”. Red Sox Ball Attendant Jacque Harrington is unfazed by the boos….
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RT @Louis_Boulet_: New Tool for LB-Hockey! 🚨🏒. Free agency is fast approaching so what better time to launch our new viz, the Contract Proj….
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RT @choice_fielder: These data are criminally underutilized. There’s gold in them hills. Go find it.
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Just a reminder that this is also open source if you want to make any contributions, comments, or if you just wanna look at my shitty Angular/Express js code. GitHub repo isn’t completely up to date right now (sorry) but should be once I’m back at my computer (Sunday evening).
Website is now updated with new xG models and player pages from 2011 - present. Sorry about the wait, the last thing I want to do when I get home after work is more coding lol
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Up next:.- RAPM + WAR model .- Write up on matchups. And then I am taking my talents back to shit posting. Also finally got the database off of Git and into an s3 bucket. This is now the most unserious tech stack of all time.
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3 xgb models for each season as I've done before. Seasons 20102011-20162017 were trained on each season in that era except the one in question, same for 20172018-20232024, this being due to goalie equipment changes, something @TopDownHockey made a good point about in his model(s).
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Not sure if anyone had this issue, but felt my actual goals - expected goals for each year was pretty close until the 23-24 season. Maybe goaltending was just really bad lol.
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There are some bugs. - No gamescore plots from 2010-11 season.- No Thrashers or Coyotes players.- No video before 2024 (shot table with WPA is still available however). Here are the AUC-ROC values for each season's model
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