1970 search results for "ggplot2"

Google AI Challenge: Languages Used by the Best Programmers

December 2, 2010
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Google AI Challenge: Languages Used by the Best Programmers

The Google AI Challenge recently wrapped up with a Lisp developer from Hungary as the winner.  The competition challenges contestants to create bots that push the limits of AI and game theory.  These bots compete against one another, and a complete ranking of competitors is available.  The big story today is...

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Online Resources for Learning R

December 1, 2010
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Online Resources for Learning R

Online classes are an easy and convenient way to learn more about a topic of interest. Not surprisingly, there are a variety of online resources, free and otherwise, to learn more about R. From online graduate classes, to the more “learn at your own pace” approach, here are some resources I have found useful: Programming

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Online Resources for Learning R

December 1, 2010
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Online Resources for Learning R

Online classes are an easy and convenient way to learn more about a topic of interest. Not surprisingly, there are a variety of online resources, free and otherwise, to learn more about R. From online graduate classes, to the more “learn at your own pace” approach, here are some resources I have found useful: Programming

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The avalanche of publications mentioning GO

November 30, 2010
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The avalanche of publications mentioning GO

Gene Ontology is the de facto standard for annotation of gene products. It has been widely used in biological data mining, and I believe it will play more central role in the future. Publications mentioning GO was collected and deposited in GO ftp, and can be accessed (ftp://ftp.geneontology.org/go/doc/). Read More: 454 Words Totally

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Analysis of retractions in PubMed

November 30, 2010
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Analysis of retractions in PubMed

As so often happens these days, a brief post at FriendFeed got me thinking about data analysis. Entitled “So how many retractions are there every year, anyway?”, the post links to this article at Retraction Watch. It discusses ways to estimate the number of retractions and in particular, a recent article in the Journal of

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Sweave Tutorial 2: Batch Individual Personality Reports using R, Sweave, and LaTeX

November 29, 2010
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This post documents an example of using Sweave to generate individualised personality reports based on responses to a personality test. Each report provides information on both the responses of the general sample and responses of the specific respond...

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Sweave Tutorial 2: Batch Individual Personality Reports using R, Sweave, and LaTeX

November 29, 2010
By

This post documents an example of using Sweave to generate individualised personality reports based on responses to a personality test. Each report provides information on both the responses of the general sample and responses of the specific respond...

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Benchmarking feature selection with Boruta and caret

November 25, 2010
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Benchmarking feature selection with Boruta and caret

Feature selection is the data mining process of selecting the variables from our data set that may have an impact on the outcome we are considering. For commercial data mining, which is often characterised by having too many variables for model building, this is an...

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Benchmarking feature selection with Boruta and caret

November 25, 2010
By
Benchmarking feature selection with Boruta and caret

Feature selection is the data mining process of selecting the variables from our data set that may have an impact on the outcome we are considering. For commercial data mining, which is often characterised by having too many variables for model building, this is an...

Read more »

Is there a Market for Premium R Packages?

November 19, 2010
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Is there a Market for Premium R Packages?

Nathan Yau, of the excellent FlowingData blog, recently asked on his Twitter stream: I wonder if there’s a market for premium R packages, like there is for say, @wordpress themes and plugins There are some great packages available for R, all of which are currently free. I think it would be great if authors like

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