Posts Tagged ‘ Pitch F/X ’

Joe West vs. Bruce Froemming: A Crude Umpire LHB/RHB Bias Comparison

December 17, 2010
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Joe West vs. Bruce Froemming: A Crude Umpire LHB/RHB Bias Comparison

In my last two posts, I have tinkered with the 'gam' package to create heat maps for individual umpire strike zones. I went ahead and grabbed Joe West's data (which has a lot more pitches than Bruce Froemming in it, since Froemming's data is only from...

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Interesting Posts at Rational Past Time Related to My Previous Strike Zone Map Post

December 8, 2010
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Interesting Posts at Rational Past Time Related to My Previous Strike Zone Map Post

J-Doug at Rational Pastime has some cool posts looking at umpire strike zones at his site (and cross-posted at Beyond the Boxscore). I was curious about this issue as well with some work I've been doing here in the office (which I'll refrain from talk...

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Rethinking ‘loess’ for Binomial-Response Pitch F/X Strike Zone Maps

December 5, 2010
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Rethinking ‘loess’ for Binomial-Response Pitch F/X Strike Zone Maps

So after a long hiatus, I'm back for today. I've been crazy busy with a number of different things--including getting engaged and helping plan out wedding dates and things of that sort--and unfortunately have not kept up here on this blog (or on Fanta...

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IIATMS Guest Contribution

September 23, 2010
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IIATMS Guest Contribution

After my recent posts fiddling around with heat maps for pitch location, Jason at It's About the Money, Stupid contacted me to ask if I would contribute some location maps for Yankee pitchers. Obviously, I couldn't pass up the chance to contribute to ...

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Update

September 2, 2010
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Update

I tried using my own little palette with more traditional looking heatmap colors (red and pink are the densest, blue and green are less so, yellow in the middle, etc.). I also included the actual points, but would recommend it for more than a single g...

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Marking Your Graphics

June 2, 2010
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Marking Your Graphics

Over at The Book Blog, Tango has a post about standardizing Pitch F/X graphs to be catcher/batter/umpire view. While I don't think this should necessarily be the case for all Pitch F/X graphics, it brings up another issue that I've had with some graph...

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Testing Out my Pitch F/X Data

May 25, 2010
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Testing Out my Pitch F/X Data

I recently got all the Pitch F/X data downloaded from Gameday, and have been fiddling around. I certainly don't have the physics knowledge to really talk about the movement at this point, and I'm still acquainting myself with the data format and what e...

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