Blogs

Unless you're using an out-of-memory solution to manage large data objects (such as the RevoScaleR package in Revolution R Enterprise), then R always allocates memory for every object in your working session. If you're working with many objects (or even just a few large objects) then you'll need to take care to manage R's memory usage to avoid the dreaded "cannot allocate memory" error.

During President Obama's State of the Union speech on Tuesday night, the live feed at the White House website featured PowerPoint-style infographics and bullet points to accompany the President's statements. One of those charts was a comparison of the GDP of the United States and its nearest rivals:

The Twin Cities R User Group has been around for a little while, but has just launched a new site at meetup.com. Their next meeting will be on February 16, where Erik Iverson will be giving a talk on using R to generate dynamic statistical reports using R's literate programming tool, Sweave. If you're in the Minneapolis-St.Paul area, this would be a great way to meet other local R users and learn about reporting in R as well.

Want to keep up-to-date on the latest R packages released to CRAN? Dirk Eddelbuettel's CRANberries service now tweets the release of new R packages to @CRANberriesFeed, so all you need to do is follow that user on Twitter.