Monthly Archives: February 2013

Shading and Points with xtsExtra plot.xts

February 28, 2013
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Shading and Points with xtsExtra plot.xts

For some reason, I feel like have much better control with plot.xts function from the xtsExtra package described here over some of the other more refined R graphical packages. Maybe, it is just my simple mind, but recently I wanted to shade holding per...

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ETS models now in EViews 8

February 28, 2013
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ETS models now in EViews 8

The ETS modelling framework developed in my 2002 IJF paper (with Koehler, Snyder and Grose), and in my 2008 Springer book (with Koehler, Ord and Snyder), is now available in EViews 8. I had no idea they were even working on it, so it was quite a surprise to be told that EViews now includes ETS models. Here is the blurb...

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Statistical computation in JavaScript — am I nuts?

February 28, 2013
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Over the past couple weeks, I’ve been considering alternatives to R. I’d heard Python was much faster, so I translated a piece of R code with several nested loops into Python (it ran an order of magnitude faster). To find out more about Mathematica 9, I had an extended conversation with some representatives from Wolfram

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Shapefiles in R

February 28, 2013
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Shapefiles in R

Let's learn how to use Shapefiles in R. This will allow us to map data for complicated areas or jurisdictions like zipcodes or school districts. For the United States, many shapefiles are available from the Census Bureau. Our example will map U.S. nati...

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EPL Table Motion Chart

February 28, 2013
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The Shiny package provides great user interactivity and another boost to its attractiveness has come with its integration with googleVis. Markus Gesman provides some background in a blog article with coded examples which he along with fellow googleVis creator, Diego de Castillo and lead Shiny developer Winson Chang have furnished There are at least three

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Using R in LaTeX with knitr and RStudio

February 28, 2013
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Using R in LaTeX with knitr and RStudio

Hi, I presented today at INSEE R user group (FLR) how to use knitr (Sweave evolution) for writing documents which are self contained with respect to the source code: your data changed? No big deal, just compile your .Rnw file again and you are done with an updated version of your paper! is easy. Some

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Summary of My First Trip to Strata #strataconf

February 28, 2013
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Summary of My First Trip to Strata #strataconf

In this post I am goIing to summarize some of the things that I learned at Strata Santa Clara 2013. For now, I will only discuss the conference sessions as I have a much longer post about the tutorial sessions that I am still working on and will post at a later date. I will add to this post...

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Slides from "Big Data Real Time Predictive Analytics"

February 28, 2013
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At Tuesday's Data Driven Business Day at the Strata conference I gave my talk, Real-time Big Data Predictive Analytics: From Deployment to Production. My goal in the talk was to explain the buzz-phrases "real time", "big data" and "predictive examples" in the context of a specific example: why are some web ads today uncannily targeted at our personal interests...

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Pollination effectiveness landscape

February 28, 2013
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Pollination effectiveness landscape

I want to show you a pollination landscape, but this is not a pollinator landscape with flowers and nesting sites, but a plot showing two components of pollination. Quantity and quality. A recent paper by Pedro Jordano (see here for other … Continue reading →

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Pollination effectiveness landscape

February 28, 2013
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Pollination effectiveness landscape

I want to show you a pollination landscape, but this is not a pollinator landscape with flowers and nesting sites, but a plot showing two components of pollination. Quantity and quality. A recent paper by Pedro Jordano (see here for other … Continue reading →

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