Monthly Archives: January 2011

web content anlayzer

January 6, 2011
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web content anlayzer

Just developed a small crawler to check my online content at binfalse.de in terms of W3C validity and the availability of external links. Here is the code and some statistics...

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Gapminder

January 6, 2011
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Gapminder

As many people are aware Hans Rosling is an enthusiastic swedish academic with a passion for statistics who recently presented the program The Joy of Stats. One of the great things about Hans Rosling is his presentations and the interactive graphics that he uses to make his points. Fast Tube by Casper The gapminder software

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New R User Group in Kansas City

January 6, 2011
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There's a new R User Group based in Kansas City, Kansas. Abraham Mathew just launched the group's website, and is looking for R users in the area to kick things off: This group was started to bring together R users in the Kansas City area to exchange knowledge and provide guidance to new R users. We hope to have...

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Some market predictions

January 6, 2011
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Some market predictions

We look at a few forecasts for the year 2011 that we’ve run across, and compare them with the prediction distributions presented in Revised market prediction distributions. FTSE 100 There is a “range forecast” on an Interactive Investor page of 5350 to 6565.  It isn’t clear (to me at least) what this means, but I … Continue reading...

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sab-R-metrics: Basics of Vectors and Data Calling

January 6, 2011
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Wednesday, I began a new series called "sab-R-metrics". My hope is that it reduces the frustration that goes along with learning a new programming language and enhances others' ability to perform their own analysis in baseball or other sports. However, these tutorials will hopefully allow you to use these skills in other areas as well. ...

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sab-R-metrics: Basics of Vectors and Data Calling

January 6, 2011
By

Wednesday, I began a new series called "sab-R-metrics". My hope is that it reduces the frustration that goes along with learning a new programming language and enhances others' ability to perform their own analysis in baseball or other sports. However, these tutorials will hopefully allow you to use these skills in other areas as well. ...

Read more »

Ecological networks from abundance distributions

January 6, 2011
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Ecological networks from abundance distributions

Another grad student and I tried recently to make a contribution to our understanding of the relationship between ecological network structure (e.g., nestedness) and community structure (e.g., evenness)......Alas, I had no luck making new insights. How...

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Graph gallery in R

January 6, 2011
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Graph gallery in R

R is sometime criticized for producing graphs not as elaborated as Matlab ones, or other softwares’. Here is a link to a graph gallery by Romain François to “enhance your data visualization with R”. The corresponding R code is given. Might be useful for ENSAE students for ‘statap’ projects. Below are four examples. The maps

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formatR update (0.1-6)

January 6, 2011
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A new version of the formatR package is available on CRAN now (binary packages are still on the way). There are three major updates: the inline comments will also be preserved in most cases (in earlier versions, only single lines of comments are pres...

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Learning R — Documentation

January 6, 2011
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We use R a lot.  R takes care of many our basic data management needs.  R is an awesome statistical analysis package.  R allows you to produce exceptional data graphics.  The only problem is … R has a wicked learning …   read ...

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