February 2011

Statistics and Computing and ABC

February 23, 2011 | xi'an

Statistics and Computing has received several papers on ABC and plans to make a special ABC issue out of these. All submissions prior to June 2011 that will be accepted will be published in this special issue. The special issue is identified as an article type on the on-line page. In ... [Read more...]

sab-R-metrics: Basic Applied Regression (OLS)

February 23, 2011 | Millsy

Today, I'll again be using a new data set that can be found here at my website (called 'leagueoutcomes.csv'). The data set includes the standings results of the 2009 season for MLB along with average game attendance by team. I'll use this to go over some basic regression techniques and ... [Read more...]

Course: Machine Learning with R

February 22, 2011 | David Smith

Starting on March 5 at the Hacker Dojo in Mountain View (CA), Mike Bowles and Patricia Hoffmann will present a course on Machine Learning where R will be the "lingua franca" for looking at homework problems, discussing them and comparing different solution approaches. The class will begin at the level of ... [Read more...]

My R setup with Mac OS X

February 22, 2011 | Milk Trader

The eco-system of R is largely Ubuntu and SVN, so Mac users sometimes find themselves a bit out of place, shall we say. But let's not bad high-school memories about not being in the in-crowd keep us from participating in the R world. With just a little...
[Read more...]

Stochastic approximation in mixtures

February 22, 2011 | xi'an

On Friday, a 2008 paper on Stochastic Approximation and Newton’s Estimate of a Mixing Distribution by Ryan Martin and J.K. Ghosh was posted on arXiv. (I do not really see why it took so long to post on arXiv a 2008 Statistical Science paper but given that it is not ... [Read more...]

Calling BEDtools from R

February 22, 2011 | altuna

BEDtools suite provides command-line functionality when dealing with genomic coordinate based operations, such as overlapping bed files or getting coverage of a bed file over a genome (similar, not exactly same, functionality in R is provided by IRange... [Read more...]

Get all your Questions Answered

February 22, 2011 | Stephen Turner

When I have a question I usually ask the internet before bugging my neighbor. Yet it seems like Google's search results have become increasingly irrelevant over the last few years, and this is especially true for searching anything related to R (and pr... [Read more...]

Graphing – margins, titles, mtext, workspace

February 21, 2011 | nzcoops

This is a great post, very true, not enough of R’s graphics are well displayed online to really see how to achieve what the often ambiguous ‘help’ information suggests. http://research.stowers-institute.org/efg/R/Graphics/Basics/mar-oma/index.htm I particularly find “mtext(“lol”, outer=T)” to be ... [Read more...]

Thor vs. Uncanny X-Men vs. Fantastic Four

February 21, 2011 | Mathew Analytics LLC » R

Three of Marvel’s longest running comic book series’ are Thor, Uncanny X-Men, and Fantastic Four. Using data from 2010, I compare monthly comic book sales for each series. This data only pertains to monthly issues and not trade paperbacks. Furthermore, the series Amazing Spider Man was not considered because it ... [Read more...]

Dataset: Wisconsin Union Protester Tweets #wiunion

February 21, 2011 | mjbommar

   I’ve been playing with Twitter data over the last week, archiving Algerian, Egyptian, Iranian, and Chinese tweets.  I thought I’d bring the story a little closer to home this time by archiving tweets from Wisconsin Union protesters on the … Continue reading → [Read more...]

Interest Rates’ Influence on 1987

February 21, 2011 | klr

One aspect of 1987 that does not deserve enough attention is interest rates.  Higher interest rates constrain economic activity and compete with other investments.  As seen in the chart below, the US 10year Treasury rate climbed 40% from 7% t...
[Read more...]

Who did HBGary contact the most?

February 21, 2011 | David Smith

Following on from Friday's post about the travails of internet security firm HBGary, R user Michael Bommarito has done an analysis of the leaked emails to find the top 20 most contacted email addresses and the top 20 most referenced internet domains. There are some interesting names on those lists, to be ... [Read more...]

New R User Groups in Canada, India

February 21, 2011 | David Smith

Three new local R user groups have just been added to the directory: In Québec, the group Plein-R is affilliated with the department of Forestry, Geography and Geomatics at Laval University. Although the group's website is in French, group organizer Etienne Racine says, "Our group is bilingual. Our meetings ... [Read more...]

Choropleth tutorial and regression coefficient plots

February 21, 2011 | d sparks

About two weeks ago, I gave short talk at Duke, wherein I presented a brief tutorial on creating choropleth maps in R using ggplot2. Since the code is already written, and the data and shapefiles already hosted online, I thought I would share the tutorial more widely. A .ZIP file ... [Read more...]
1 2 3 4 5 11

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)