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matt dennewitz @mattdennewitz.bsky.social · 11d

Meanwhile: Sweep das Bein, Zentner

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matt dennewitz @mattdennewitz.bsky.social · 11d

Is this The Brandt Game

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matt dennewitz @mattdennewitz.bsky.social · 23d

Welcome

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matt dennewitz @mattdennewitz.bsky.social · Aug 28

The “yeah, I seen her… that is to say, I saw her” / “yeah, I saw her… that is to say, I seen her” circle of life

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Reposted by matt dennewitz

Stephen Sutton-Brown @srbrown70.bsky.social · Aug 26

These are all the slides and github repos from SaberSeminar that I've seen folks post so far. If anyone sees anything missing let me know and I'll add it to the doc! docs.google.com/document/d/1...

saberseminar 2025 public presentations

“Path Finder” - Conner Pelletier, Sam Ehrlich, Tanner Stokey https://drivelinebb-my.sharepoint.com/:p:/g/personal/sam_ehrlich_drivelinebaseball_com/EV1f3NJENzpPm3J_-9Q9VJ0BCFOkCI9MbbppiN4vN8GHyQ?rtime...

docs.google.com

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matt dennewitz @mattdennewitz.bsky.social · Aug 24

Enormous thank you to @saberseminar.bsky.social for having @enosarris.bsky.social and myself to talk about imputing arm angles.

Our slides: docs.google.com/presentation...

Code: github.com/pitchingplus...

Imputing Arm Angles

Imputing Arm Angle from Readily Available Metrics Eno Sarris, Matt Dennewitz: Saber Seminar 2025 eno

docs.google.com

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matt dennewitz @mattdennewitz.bsky.social · Aug 12

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Reposted by matt dennewitz

Aisle424 Has Fallen @aisle424.bsky.social · Jul 29

Fuck cancer.

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matt dennewitz @mattdennewitz.bsky.social · Jul 7

@agaerig.bsky.social had something similar w/ I’m On One for a time

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matt dennewitz @mattdennewitz.bsky.social · Jun 14

Wrote up a couple of recipes on unstructured data extraction from MLB prospect ranking lists using LLMs. What used to be gory scraping work is now wonderfully simple.

Extract MLB Prospect Lists with LLMs — No Code Needed

I’ve been tinkering with an idea: a site that combines publicly available MLB prospect lists and lets you weight each outlet’s rankings however you like. The data is messy, and the means of acquisitio...

www.singletonsgoingsteady.com

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matt dennewitz @mattdennewitz.bsky.social · May 24

Thanks! Django, htmx, Postgres/pgvector for the app. OpenAI for cluster titling and article categorization. DBSCAN for clustering.

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matt dennewitz @mattdennewitz.bsky.social · Mar 6

missed this in the polars docs: you can load a polars dataframe from pydantic. github.com/pola-rs/pola....

feat(python): support `DataFrame` init from `pydantic` model data by alexander-beedie · Pull Request #8178 · pola-rs/polars

Closes #8154. This was a simple addition; pydantic model data is largely equivalent to @dataclass or NamedTuple data, which we already support. Only needed a few minor tweaks to leverage the existi...

github.com

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matt dennewitz @mattdennewitz.bsky.social · Feb 19

Mets?

matt dennewitz @mattdennewitz.bsky.social · Dec 12

Your first mistake was sending emails

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matt dennewitz @mattdennewitz.bsky.social · Nov 20

Even this undersells the value prop! If you enjoy this world a little or a lot, then subscribe.

1st Viscount Craigavon @cdgoldstein.baseballprospectus.com · Nov 19

We have an *incredible* value proposition and we're significantly below market in where we set our prices. Look around and see: We're cheaper than just about everything that isn't free, and we do it at a premium quality and with significant volume in terms of content. I want that to stay accessible.

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matt dennewitz @mattdennewitz.bsky.social · Jul 29

This is a breakthrough moment for you and the platform

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