2259 search results for "map"

My Day at ACM Data Mining Camp III

November 13, 2010
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My Day at ACM Data Mining Camp III

My first time at ACM Data Mining Camp was so awesome, that I was thrilled the make the trip up to San Jose for the November 2010 version. In July, I gave a talk at the Emerging Technologies for Online Learning Symposium conference with a faculty member in the Department of Statistics, at the Fairmont. The place was amazing,...

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Risk-Opportunity Analysis

November 12, 2010
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Risk-Opportunity Analysis

I will be attending Ralph Vince's risk-opportunity analysis workshop in Tampa this weekend.  Drop me a note if you're in the area and would like to meet for coffee / drinks.

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Forecast estimation, evaluation and transformation

November 9, 2010
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Forecast estimation, evaluation and transformation

I’ve had a few emails lately about forecast evaluation and estimation criteria. Here is one I received today, along with some comments. I have a rather simple question regarding the use of MSE as opposed to MAD and MAPE. If the parameters of a time series model are estimated by minimizing MSE, why do we

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Computational position in Texas

November 8, 2010
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Computational position in Texas

José Bernardo forwaded this announcement that sounds quite attractive (conditional upon living in a remote part of Texas!) Senior Faculty Position in Computational Statistics At Texas A&M University As part of a recognition of the increasing importance in the modeling and computational sciences, the Department of Statistics at Texas A&M University is recruiting for a

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Using R and Hadoop to analyze VOIP data

November 8, 2010
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Last month, the newest member of Revolution's engineering team, Saptarshi Guha, gave a presentation at Hadoop World 2010 on using R and Hadoop to analyze 1.3 billion voice-over-IP packets to identify calls and measure call quality. Saptarshi, of course, is the author of RHIPE, which lets R programmers write map-reduce algorithms in the Hadoop framework without needing to learn...

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Example 8.13: Bike ride plot, part 2

November 8, 2010
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Example 8.13: Bike ride plot, part 2

Before explaining how to make and interpret the plot above, Nick and I want to make a plea for questions--it's hard to come up with useful questions to explore each week!As shown in Example 8.12, data from the Cyclemeter app can be used to make interes...

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Wetbulb Temperature

November 7, 2010
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Wetbulb Temperature

This google map display is just one of 230 GHCN stations that is located in the water. After finding  instances of this phenomena over and over, it seemed an easy thing to find and analyze all such cases in GHCN. The issue matters for a two reasons: In my temperature analysis program I use a

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R is Hot: Part 5

November 4, 2010
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This the final installment of a five-part article series. You can download the complete article from the Revolution Analytics website. Building a Business The value of R to business is borne out by the experiences of John Lucker and his team of advanced analytics professionals at Deloitte Consulting LLP. John is a Deloitte Consulting Principal and leads the firm’s...

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Names of villages, in France

November 2, 2010
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Names of villages, in France

Keith Briggs published a post here on names of English place name element distribution, which contains almost twenty maps like the one where names ends by -bourn,bourne,burn (here) or -head (there). Actually, it is possible (Robin mentioned that a...

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Google TechTalk on integrating R

November 1, 2010
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As noted on the Google Open Source Blog last week, R package authors Dirk Eddelbuettel and Romain Francois recently gave a presentation on R at the Googleplex, on various topic related to "bridging" R into other systems. Their 90-minute talk is available for replay on YouTube (as part of the Google TechTalks series), and you can download the slides...

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