563 search results for "Register"

Bad Science at Strata 2012

March 1, 2012
By

Ben Goldacre, the physician and biostatistician behind the always-excellent Bad Science column in the Guardian, gave a barnburner of a talk at Strata 2012 yesterday, "The Information Architecture of Medicine is Broken". For anyone not aware of the problems caused by publication bias in clinical trials (for example, ineffective drugs with a wide variety of side-effects coming to market),...

Read more »

doSMP pulled

March 1, 2012
By
doSMP pulled

They have finally pulled that buggy unreliable piece of code that was doSMP from the CRAN mirrors while (I hear) Revolutions are re-writing it. To use all your cores for analysis on the Windows platform, you can try doSNOW instead; my code is something like the fragment...

Read more »

doSMP pulled

March 1, 2012
By
doSMP pulled

They have finally pulled that buggy unreliable piece of code that was doSMP from the CRAN mirrors while (I hear) Revolutions are re-writing it. To use all your cores for analysis on the Windows platform, you can try doSNOW instead; my code is something like the fragment below. Neither option is as attractive...

Read more »

Custom Amazon EC2 config for Rstudio

February 29, 2012
By

IntroductionThis post is a work in progress building on the previous post. It's my attempt to simultaneously learn Amazon's AWS tools and set up R and Rstudio Server on a customized "cloud" instance. I look forward to testing some R jobs that have la...

Read more »

Webinar tomorrow: Big-data statistics with Revolution R with IBM Netezza

February 28, 2012
By

As explained in detail by Michele Chambers at the IBM Netezza blog, there are two keys to getting fast performance with statistical analysis on massive data sets with R: Massive parallelization: break the problem down into small pieces, and run them in parallel Bring the R engine to the data (not the other way around), to avoid data transfer...

Read more »

A new local R user group in Cambridge, UK

February 10, 2012
By

It turns out there's another local R user group in Cambridge, UK. It's called CambR, and organizing committee member Laurent Gatto described its history to me in an email: After meeting repeatedly at several R related conferences (Bioconductor meetings, useR 2011), some R enthusiasts thought Cambridge deserved a local R user group and founded CambR in September 2011. Since...

Read more »

Monitoring Progress Inside a Foreach Loop

February 9, 2012
By

The foreach package for R is excellent, and allows for code to easily be run in parallel. One problem with foreach is that it creates new RScript instances for each iteration of the loop, which prevents status messages from being logged to the console output. This is particularly frustrating during long-running tasks, when we are often unsure...

Read more »

Monitoring Progress Inside a Foreach Loop

February 9, 2012
By

The foreach package for R is excellent, and allows for code to easily be run in parallel. One problem with foreach is that it creates new RScript instances for each iteration of the loop, which prevents status messages from being logged to the console output. This is particularly frustrating during long-running tasks, when we are often unsure how much...

Read more »

Revolution R update adds Red Hat 6 support

February 8, 2012
By

The Dev Team at Revolution Analytics recently released an update to the Revolution R 5 family. Version 5.0.1 adds compatibility with Red Hat Enterprise Linux 6 for all editions (Community, Academic and Enterprise). This expands the platform support to Red Hat 5, Red Hat 6 and Microsoft Windows. For Revolution R Enterprise customers and users of the free Academic...

Read more »

Hadley Wickham: ggplot2 Webinar (Today!)

February 8, 2012
By

Title: A Backstage Tour of ggplot2 with Hadley WickhamDate: Wednesday, February 8, 2012Time: 11:00AM - 12:00PM PacificPresenter: Hadley Wickham, Professor of Statistics, Rice UniversityRegister here.I used ggplot2 extensively a few years ago, but rever...

Read more »