Monthly Archives: June 2010

Data preparation for Social Network Analysis using R and Gephi

June 2, 2010
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Data preparation for Social Network Analysis using R and Gephi

I want to share my experience in generating the data for social network analysis using R and analyzing it using Gephi... WHICH DATA STRUCTURE TO USE FOR LARGE GRAPHS?I quickly realized that using edge lists and adjacency matrix gets difficult as the g...

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Picture of me with Chengwu Yang, PhD

June 2, 2010
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Picture of me with Chengwu Yang, PhD

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Marking Your Graphics

June 2, 2010
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Marking Your Graphics

Over at The Book Blog, Tango has a post about standardizing Pitch F/X graphs to be catcher/batter/umpire view. While I don't think this should necessarily be the case for all Pitch F/X graphics, it brings up another issue that I've had with some graph...

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inline 0.3.5

June 2, 2010
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The inline package is an amazing, yet simple, package for R. It allows to dynamically (within the R session) define R functions and S4 methods with inlined C/C++/Fortran code.Together with RUnit, inline powers the entire unit test suite of Rcpp. ...

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More Free Online Instructional Videos on R

June 2, 2010
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I previously posted a set of links to online videos on R. I organised videos into three categories: (1) what is R; (2) how to do basic data analysis in R; and (3) how to use intermediate and advanced tools in R. Since writing the post I've discovered ...

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More Free Online Instructional Videos on R

June 2, 2010
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I previously posted a set of links to online videos on R. I organised videos into three categories: (1) what is R; (2) how to do basic data analysis in R; and (3) how to use intermediate and advanced tools in R. Since writing the post I've discovered ...

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Singapore Presentations

June 1, 2010
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(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL, Eclipse, git, hadoop, Web...

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Indian Financial Market Data

June 1, 2010
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(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL, Eclipse, git, hadoop, Web...

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Trading for Speed in H2H Fantasy Leagues

June 1, 2010
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Trading for Speed in H2H Fantasy Leagues

As a followup to my last article at FBJ, I took a look at the distributions of weekly totals for Stolen Bases to gauge win expectancies in the SB category in H2H fantasy baseball formats. The study is again pretty simple, as I just subtract one hypoth...

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R Commander – a good introductory GUI for R

June 1, 2010
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R Commander – a good introductory GUI for R

The R software is very powerful and flexible but one of the complaints of new users is that the learning curve is steep and can be daunting. There have been various projects to create GUIs for R with varying levels of sophistication, one of which is R Commander by John Fox. Fast Tube by Casper This interface

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