Monthly Archives: June 2010

Baseball, basketball, and (not) getting better as time marches on

June 2, 2010
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Baseball, basketball, and (not) getting better as time marches on

PROS ARE NOT GETTING BETTER AT FREE THROWS Rick Larrick recently told Decision Science News that baseball players have been getting better over the years in a couple ways. First, home runs and strikeouts have increased. The careless or clueless reader might note that this is curious, for from the batter’s perspective home runs are

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RODM: An R package for Oracle Data Mining

June 2, 2010
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RODM: An R package for Oracle Data Mining

The folks at Oracle have announced an R package that provides an interface to the Oracle Data Mining option of their 11g database . See more at this Oracle blog.

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Color Palettes in R

June 2, 2010
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Color Palettes in R

The simplest versions of plots use color rather sparingly. For instance, consider this simple bar chart:n=seq(1:12)barplot(n)Not exactly the most colorful thing you've ever seen eh?R provides standard color palettes comprised of vectors containing a s...

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Supercharging business analytics with R

June 2, 2010
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Really pleased with how our webinar today, Supercharge BI and Dashboards with Predictive Analytics, turned out. Steve Miller from OpenBI gave a great introduction to the motivations and need for predictive analytics. Andrew Lampitt from Jaspersoft was next up, with an overview of the Jaspersoft system for BI reports and dashboards. My section focused mainly on R and its...

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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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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 their blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: Data science, Big Data, R jobs, visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave,...

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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 their blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: Data science, Big Data, R jobs, visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave,...

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