Monthly Archives: December 2011

Statistics with R – Lots of R Examples

December 8, 2011
By
Statistics with R – Lots of R Examples

“Statistics with R” is a great R graphics & stats website. It provides lots of R examples, covering many analytics topics. It is also available as a PDF document to download at the website, as well as the R codes. … Continue reading →

Read more »

AGU Fall Meeting Day 2

December 8, 2011
By
AGU Fall Meeting Day 2

One of the problems of trying to blog a conference when you are going to session talks and socialising in the evening is keeping up to date with your blogging. Day 2 was a little slower in regard to...

Read more »

Rcpp talk at Seattle RUG

December 7, 2011
By

Thanks to Zach and the Seattle R User Group for the invitation. Earlier this evening I gave a talk about R, C++ and our Rcpp package, focussing on the why, how, what, who, and "one more thing" higher-level aspects of extending R. This was supposed to...

Read more »

Plotting BeijingAir Data

December 7, 2011
By
Plotting BeijingAir Data

Here’s a bit of R code for scraping the BejingAir Twitter feed and plotting the hourly PM2.5 values for the past 24 hours. The script defaults to the past 24 hours but you can modify that by simply changing the value for the variable ‘n’.  You c...

Read more »

RcppArmadillo 0.2.33

December 7, 2011
By

Conrad Sanderson made a first 2.4.1 bug fix release of Armadillo. We now have RcppArmadillo release 0.2.33 on CRAN which contains it. earlier today. The NEWS entry below summarises the changes. 0.2.33 2011-12-07 o Upgraded to Armadillo re...

Read more »

Using R — Easier Error Handling with try()

December 7, 2011
By

In a previous post we looked at error handling in R with the tryCatch() function and how this could be used to write Java style try-catch-finally blocks. This time we’ll look at what can be done with the try() function …   read mo...

Read more »

Martyn Plummer’s Secret JAGS Blog

December 7, 2011
By

Martyn Plummer, the creator of the open-source, C++, graphical-model compiler JAGS (aka “Just Another Gibbs Sampler”), runs a forum on the JAGS site that has a very similar feel to the mail-bag posts on this blog. Martyn answers general statistical computing questions (e.g., why slice sampling rather than Metropolis-Hastings?) and general modeling (e.g., why won’t The post Martyn...

Read more »

Movement around the mean "Stationary" OR "Unit root"

December 7, 2011
By
Movement around the mean "Stationary" OR "Unit root"

The idea of modelling the time series of GNP, and other macroeconomic variables, data for US as a trend stationary (TS) process was brought into question by Nelson and Plosser in their groundbreaking research paper in 1982. Their re...

Read more »

Subscriptions Feature Added

December 7, 2011
By
Subscriptions Feature Added

You can now subscribe to almost any content on the ProgrammingR website, including the job listings. To be notified of job listings as soon as they are posted, click the “R Jobs” link above and follow the instructions on that page to add the jobs feed to your feed reader.Because of this change, I will The post Subscriptions...

Read more »

Subscriptions Feature Added

December 7, 2011
By

You can now subscribe to almost any content on the ProgrammingR website, including the job listings. By subscribing, you will receive email updates when new jobs are listed or when other content types you are following are posted or updated. To subscri...

Read more »