Monthly Archives: July 2010

Reminder: Launch Party for Inside-R.org tonight

July 21, 2010
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If you're in the DC area (attending useR!2010, perhaps) this evening, Revolution Analytics (in conjunction with the DC Area R User Group) is hosting a party to celebrate the launch of Inside-R.org at the Crowne Plaza in Rockville at 8PM. Come along for drinks and food, mingle with other R users, hear about the new community site for R,...

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Matrix scatterplot of the Airquality data using lattice

July 20, 2010
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Matrix scatterplot of the Airquality data using lattice

In this post we will build on the last one, and create a matrix scatterplot. The package lattice allows for some really excellent graphics. In case you haven’t already seen it I recommend the R Graph Gallery for some examples of what it can do – browse the graphics by package used to create them.

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Getting going – importing data and plotting a simple graphic

July 20, 2010
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Getting going – importing data and plotting a simple graphic

The most difficult part of the learning curve in R is often getting going – many datasets are pre-installed in the packages and organised, so it is difficult to see how you to import your own data into R.  This post takes you step by step through the process of making a table from a

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New R User Group in Slovenia

July 20, 2010
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The new R User Group in Ljubljana, Slovenia is giving the Sydney group a run for the money when it comes to the best user group name. It's called Anonymous Rcoholics -- great name! You can join the group at the link below. Discussions are in English and Slovene. Google Groups: Anonymous Rcoholics

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userR! 2010 Videos to be Hosted at Rchive

July 20, 2010
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Today, I am packing up the car and heading south to my old home, Washington, DC, for the useR! 2010 conference, which is being held at the National Institute of Standards and Technology. Incidentally, where I was an intern in the Information Technology Lab during college. If you are not able to make the trip to

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Analysing the ISMB 2010 meeting using R

July 20, 2010
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Analysing the ISMB 2010 meeting using R

The colossus of bioinformatics meetings, ISMB, convened in Boston this year from July 9 – 13. As in recent years, the meeting was covered online at its website, FriendFeed and Twitter. I thought it would be fun to run a quick analysis of activity at the FriendFeed room using R. 1. Fetch the data We

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The wonderful world of vim

July 20, 2010
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The wonderful world of vim

When searching for a way to recover control carriage return symbols ^M into genuine ones (under vim), I found this handy page of vim tips. And then saw that the enthusiastic author had even a blog about vim! Obviously, this post will be meaningless for all readers not aware of the joys of the vim

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R: Clash of the cannon cycles

July 19, 2010
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R: Clash of the cannon cycles

Imagine a unit square. Every side has length 1, perfectly square. Now imagine this square was really a fence, and you picked two spots at random along the fence, with uniform probability over the length of the fence. At each of these two locations, set down a special kind of cannon. Just like the light

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Indian state population plot

July 19, 2010
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Indian state population plot

Here's a quick R plot of population in Indian states and the breakdown by the religion people practice. The data was obtained from this Indian government site. I'm looking for other state-level data to overlay on this to find interesting patterns e.g....

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Analyze Online R User Conference Data

July 19, 2010
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Analyze Online R User Conference Data

The R User Conference 2010 will be underway shortly - and what better way to commemorate the event than to  blast out some R code related to the conference?  HTML tables on websites for the past three years list participants an...

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