Blog Archives

Twin Cities R User Group Meeting Tonight!

February 16, 2011
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TCRUG will be having a meeting TONIGHT (2/16) at 5:30 PM. We will meet in ROOM 29 in Willey Hall. Willey Hall is located on the West Bank of the Minneapolis campus. See the Google map at http://goo.gl/tnRnU. Erik Iverson will be giving a talk ...

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Rounded Corners in ggplot2 Graphics

February 11, 2011
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Rounded Corners in ggplot2 Graphics

Last night, while working on something else that I want to finish, I ended up indulging in a bit of "yak shaving". I wondered how easy it would be to generate graphics in ggplot2 with rounded corners. I don't think that there is any nativ...

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Three tips for posting good questions to R-help and Stack Overflow

January 18, 2011
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As the number of R users and contributed packages increases, activity on the R-help mailing list and the R tag on Stack Overflow also continues to rise. Users with the knowledge to help those asking questions naturally have limited time to ass...

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R Function of the Day: foodweb

September 21, 2010
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R Function of the Day: foodweb

The R Function of the Day series will focus on describing in plain language how certain R functions work, focusing on simple examples that you can apply to gain insight into your own data. Today, I will discuss the foodweb function, found in...

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Introduction to using R with org-babel, Part 1

May 23, 2010
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This post originally appeared on my Wordpress blog on May 23, 2010. I present it here in its original form. In my opinion, the description of orgmode by its creator as a tool "for keeping notes, maintaining ToDo lists, doing project planning,...

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R Function of the Day: sample

May 23, 2010
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This post originally appeared on my Wordpress blog on May 23, 2010. I present it here in its original form. The R Function of the Day series will focus on describing in plain language how certain R functions work, focusing on simple example...

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Using R to Analyze Baseball Games in “Real Time”

October 4, 2009
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This post originally appeared on my Wordpress blog on October 4, 2009. I present it here in its original form. In order to honor the last day of the 2009 MLB regular season (excepting the Twins/Tigers tiebreaker Tuesday night), I was reading...

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R Object Tooltips in ESS

October 1, 2009
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This post originally appeared on my Wordpress blog on October 1, 2009. I present it here in its original form. Whether at work or for personal projects, I use ESS a lot to perform interactive data analyses. The ability to write, edit, and su...

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R Function of the Day: cut

September 23, 2009
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This post originally appeared on my Wordpress blog on September 23, 2009. I present it here in its original form. The R Function of the Day series will focus on describing in plain language how certain R functions work, focusing on simple ex...

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R Function of the Day: rle

September 22, 2009
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Edit: This post originally appeared on my Wordpress blog on September 22, 2009. I present it here in its original form. The R Function of the Day series will focus on describing in plain language how certain R functions work, focusing on sim...

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