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BaseTunnel Research

Eli Ben-Porat

The place where I write up my baseball (and perhaps other) research. Please read and leave feedback, especially if I got something wrong, which, according to my wife, happens all the time!

Platform
Substack
PricingOnly free issuesPublishesTwice weekly
Issues42Founded3 years agoLast Issuea year ago
Active

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Latest Issues

What I Learned Building FIRE - A Neural Network Approach to Pitch Modelling

There is a mostly-correct axiom that over-thinking a problem, sometimes referred to as analysis paralysis, can be counter-productive. Indeed, for me this caused a serious case of researcher’s block. I’ve been ruminating for quite some time...

a year ago
4
3

A Simple Method to Estimate Movement Deviation

I am terrible at physics, so who better than I to postulate a simple methodology to estimate movement deviation? As with all my work, but especially any of my work which pertains to physics, note that I’m not an expert, so there may be erro...

a year ago

Exploring the Quintessential Tango Question

I love batting average as a metric, it does a great job describing the batter, and also has a 0.62 R² with wOBA, meaning it correlates very strongly with performance. Should it be the only thing that broadcasts show, definitely not. Should...

2 years ago
2
1

Do Pitchers Control Spray Angle?

I’m pausing my SMOKE research, as the data are telling me I need a more robust “Stuff” metric than I’ve been using to date. That means I need to buckle down and build the pitch quality estimator I’ve been planning to do for a long time, and...

2 years ago
5
2

Where There's SMOKE There's Fire: Sinkers

I love stuff models, but I am also frustrated by stuff models. I desperately want to know WHY a pitcher’s specific pitch is great, and at the risk of writing something that sounds highly pejorative, I find that these models often have a “tr...

2 years ago
3
6

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