Posts Tagged ‘ r-project ’

Sorting out Sweave in Eclipse/StatET

November 29, 2010
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Using Sweave to produce pretty-looking documentation for R is awfully handy. It takes a little tweaking to get set up in Eclipse and StatET though. I followed the information in Jeromy Anglim’s webpage to originally get Sweave set up. The followi...

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Altering Eclipse user name

November 29, 2010
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Using StatET’s code generation templates is handy, but the standard Eclipse variable for ${user} just inserts the currently logged-in user’s account name. If you want a different name to appear when ${user} is called, one method is to alter...

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How to simulate wind speed time series with R

November 2, 2010
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How to simulate wind speed time series with R

If you need to generate synthetic wind speed time series, you may find useful the procedure described in  “A Markov method for simulating non-gaussian wind speed time series” by G.M. McNerney and P.S. Veers (Sandia Laboratories, 1985), and “Estimation of extreme wind speeds with very long return periods” by M.D.G Dukes and J.P. Palutikof (Journal

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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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A brief introduction to “apply” in R

August 19, 2010
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A brief introduction to “apply” in R

At any R Q&A site, you’ll frequently see an exchange like this one: Q: How can I use a loop to ? A: Don’t. Use one of the apply functions. So, what are these wondrous apply functions and how do they work? I think the best way to figure out anything in

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New Fantasy Ball Junkie Article

July 30, 2010
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New Fantasy Ball Junkie Article

I have a new post up over at Fantasy Ball Junkie looking at the value of closers in H2H leagues from here on out. I simply simulated in the same way as the Stolen Bases and Home Runs articles from before. Saves are an interesting bunch, and it really...

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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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Trading for Speed in H2H Fantasy Leagues

June 1, 2010
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Trading for Speed in H2H Fantasy Leagues

As a followup to my last article at FBJ, I took a look at the distributions of weekly totals for Stolen Bases to gauge win expectancies in the SB category in H2H fantasy baseball formats. The study is again pretty simple, as I just subtract one hypoth...

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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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