2610 search results for "gis"

Interactive color picker, using locator()

November 9, 2012
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Interactive color picker, using locator()

I mostly wrote this just to see how locator() works, and ended up making an HCL color picker, so you can make your own visually offensive rainbow color palettes! Or, you can make your own nice color palettes. It is up to you. Essentially, this script...

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Another crosshairs

November 8, 2012
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Another crosshairs

C. DeSante over at is.R() has PEBOS as well, but turned it into a great explanation of the way predictions like Nate Silver's work.For a while the 538 team had PEBOS as well: "The FiveThirtyEight team is still recuperating, but the election provided a fresh supply...

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PEBOS (Post Election Burn Out Syndrome)

November 8, 2012
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PEBOS (Post Election Burn Out Syndrome)

I guess that all those that tried to follow the presidential election as closely as possible are more than just a little bit exhausted mentally. I call this PEBOS - Post Election Burn Out Syndrome.Among us some concentrated on the horserace aspect of t...

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finding meaningful clusters in phylogenetic trees or other hierarchical clusterings

November 8, 2012
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finding meaningful clusters in phylogenetic trees or other hierarchical clusterings

Phylogenetic trees are a specialization of hierarchical clustering which elegantly capture relatedness between observations, grouping like with like. Yet hierarchical clusterings have one common complaint, as compared to density/distribution based clustering, the ability to classify the data into different types. … Continue reading →

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Five Thirty-Hate?

November 8, 2012
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Five Thirty-Hate?

The last few days have been trying, mostly because folks keep asking me the same questions: have you voted? Who do you think will win the election? Do you think Nate Silver (http://fivethirtyeight.blogs.nytimes.com/)  is right? How confident are you ...

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Introducing Shiny: Easy web applications in R

November 8, 2012
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Introducing Shiny: Easy web applications in R

Say hello to Shiny, a new R package that we’re releasing for public beta testing today. Shiny makes it super simple for R users to turn analyses into interactive web applications that anyone can use. These applications let you specify input parameters using friendly controls like sliders, drop-downs, and text fields; and they can easily

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Cash–Opportunity Lost or Opportunity Gained

November 7, 2012
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Cash–Opportunity Lost or Opportunity Gained

Tom Brakke from http://researchpuzzle.com/ wrote a great thought piece Cash as Trash, Cash as King, and Cash as a Weapon for the CFA Institute blog.  My favorite part comes in the last paragraph: “That’s the kind of analysis that should be br...

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Make your own electoral map

November 7, 2012
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Make your own electoral map

You’ve already seen everyone else’s electoral map (see this amazing array of maps from 2008), how would you like to make your own? Today’s Gist allows you to do just that — input (manually!) state-by-state results, and output a...

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Credit Scoring in R 101

Credit Scoring in R 101

In this post we'll fit some predicitve models in (well know) data bases, and evalute the performance of each model. Disclaimer1: for simplicity the predictive variables are treating without apply any transformation to get a better performance or stabil...

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Webinar Thursday: How R is used to optimize tractor production at John Deere

November 6, 2012
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I just sat in on the rehearsal for Thursday's webinar by John Deere's Derek Hoffman, Order Fulfillment Forecasting at John Deere: How R Facilitates Creativity and Flexibility. Derek will give a spirited argument of why R is critical for the faming equipment manufacturer's operations: from forecasting demand for equipment, forecasting crop yields (they produce forecasts for more than half...

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