Data Mining
643 views

R 2.9.0 scheduled for April 17

DavidMSmith - March 5, 2009

It was announced today that the next update to R, version 2.9.0, is scheduled for release on April 17, 2009. According to the updates on the R…

Data Mining
553 views

Rich voters, poor voters, and the 2008 election

DavidMSmith - March 5, 2009

Andrew Gelman, guest-blogging at fivethirtyeight.com, uses survey data from before the 2008 US presidential election to ask the question: which states would have been won for John…

Data Mining
585 views

When is a zero not a zero?

DavidMSmith - March 5, 2009

Answer: when it's in floating point.No, this isn't my entry for the "least funny joke ever" competition. It's the answer to a fairly common complaint of beginning…

Data Mining
679 views

Using R in Astronomy

DavidMSmith - March 5, 2009

Alastair Sanderson of the University of Birmingham has a fantastic set of pages for astronomers using R. For astronomers thinking about getting started with R, there's a…

Data Mining
657 views

R, the FDA, and clinical trials

DavidMSmith - March 5, 2009

There's been an interesting discussion recently on the R Project group on LinkedIn (sub. req.) on the topic of using R for clinical trial analysis in the…

Data Mining
780 views

Detecting latent variables… in rock music

DavidMSmith - March 5, 2009

Here's a neat example of data analysis and visualization (sadly, not using R) with an interesting application: detecting rock songs where the drummer uses a "click track"…

Data Visualization
707 views

Choosing colors in R

DavidMSmith - February 2, 2009

R has very powerful capabilities for choosing colors to use in statistical graphics. With the rgb function, you can choose any color from the spectrum by choosing…