Posts Tagged ‘ Learning ’

Lots of new Videos in Rchive

April 14, 2010
By

I have just uploaded a bunch of new videos the Rchive (yea, that’s what I am calling it now). Most of the videos are from the April NYC meetup, which include the following talks:Pankaj Chopra—using R and Bioconductor (http://www.bioconductor.org/) for biomarker detection in cancer Andrew Ilardi—an R project that analyzes a list of stocks while reaching out

Read more »

Seamless R Extensions using Rcpp and RInside

April 7, 2010
By

I just added a new video to the R repository, and this one comes from the Los Angeles R Meetup. The folks in LA were fortunate enough to have Dirk Eddelbuettel—renowned R expert and StackOverflow super-user—discuss his joint work with Romain François for interfacing C++ and R code using the Rcpp package. For those

Read more »

How to Produce Fake Data Analysis in R: 3 Easy Steps

April 2, 2010
By
How to Produce Fake Data Analysis in R: 3 Easy Steps

Did you really think that a team of researchers spent their weekends counting the number of shirtless adolescent men and exposed penises they could find on charoulette.com? Perhaps you should not answer that, as it may be a better measure of your opinion of sociologist than gullibility. It is true, sociologist do say the

Read more »

Spatial Analytics in R Video

February 8, 2010
By

The video from John Myles White’s outstanding introductory talk on spatial analysis with R to the NYC R Statistical Meetup is now available in the R video repository, and is also embedded after the jump. I would like to thank John for this fantastic talk, and for those interested the slides from this talk have also been

Read more »

Predicting the Locations of ‘Emergency’ Ushahidi Reports in Port-au-Prince, and Implications for Crowdsourcing

February 2, 2010
By
Predicting the Locations of ‘Emergency’ Ushahidi Reports in Port-au-Prince, and Implications for Crowdsourcing

Recently, Patrick Meier, PhD candidate at Tufts University and member of the Ushahidi Advisory Board, provided me with a dataset containing the first 72 hours of reports registered with Ushahidi in Port-au-Prince after the January 12th earthquake. First, a huge thank you to Patrick for providing me with this data and the opportunity to analyze

Read more »

Learning R via Python…or the other way around (with video!)

January 8, 2010
By

Last night I was one of five speakers at the NYC R Statistical Programming Meetup. The topic last night was dubbed the R Rosetta Stone, and the intent was to show how R as a language translated into several other analytical platforms and programming languages. Other speakers covered MATLAB, SAS, SQL/Postges and Clojure/Incanter—I

Read more »

Visualizing Data with R and ggplot2 (video w/ slides)

December 18, 2009
By

On December 3, 2009 I presented a brief talk at the NYC R meetup on how to create data visualizations with R using the immensely powerful ggplot2 package. The talk is very light on motivation but heavy on examples, so it may be more useful to those with some R and/or ggplot2 experience.

Read more »

My Five Rules for Data Visualization

December 3, 2009
By
My Five Rules for Data Visualization

Tonight the NYC R Meetup will be discussing data visualization in R using ggplot2. As part of tonight’s meeting I will be providing a very brief show and tell, which includes mostly code examples and external resources. This exercise has had me thinking quite a bit about data visualization. In addition, a

Read more »