The NIST's The Engineering Statistics Handbook includes an Introduction to Time Series Analysis which provides a great way of demonstrating how R can be used to make such calculations. This post replicates the analys...

In this post I publish a PDF document titled “A collection of tips for R in Finance”. It is a basic 5 page introduction to R in finances by Arnaud Amsellem (linked in profile). The article offers tips related to the following points: Code Editor Organizing R code Update packages Getting external data into R Communicating with external applications...

In case you missed them, here are some articles from July of particular interest to R users. We reviewed the updates to Hadley Wickham's ggplot2 and plyr packages. We linked to an article about R co-creator Ross Ihaka in New Zealand's Sunday Star Times. We noted that the presentations from the R/Finance 2010 conference are available for download. We...

A follow-up of my previous post Excellent Free CSV Splitter. I asked a question at LinkedIn about how to handle large CSV files in R / Matlab. Specifically, Quotationsuppose I have a large CSV file with over 30 million number of rows, both Matlab / R lacks memory when importing the data. Could you...

I've hinted this was coming a few times before, but with today's press release the announcement is official: the next release of Revolution R Enterprise will include "Big Data" capabilities thanks to the new RevoScaleR package. We're pretty excited at how it's turned out: it's kinda amazing to be able to use R's formula syntax like this: arrDelayLm2 <-...

A month ago I posted about “SURF”, the newly-established Sydney R user forum (R being an excellent open-source statistics tool). Shortly after publishing that post, I attended the inaugural forum meeting. While we waited for attendees to arrive, a few people introduced themselves, explaining why they were interested in R and how much experience they