R, the acf function and statistical significance

The R language provides us with a useful method to calculate the autocorrelation function (ACF) of a time series. An example of an environmental time series with a seasonal cycle is shown below, with the resulting plot: corr

January 20, 2010   Posted in: R  One Comment

Updated Songbird Icon

The Songbird icon has been updated with the newest, none-more-black version of the application icon (from Songbird 1.4.1). You can download it from the Icons page. Update 03/03/2010: Fixed the download link.

January 9, 2010   Posted in: Icons  No Comments

DVDs that won’t play in Linux, and how to make them behave

Playing DVDs in Linux is generally a pretty painless process. The libdvdcss library does a sterling job of allowing us to watch our DVDs on legitimate hardware using the operating system of our choice, legal machinations notwithstanding. It also manages to circumvent the region encoding of the DVD (an abitrary and legally dubious restriction), allowing [...]

January 8, 2010   Posted in: Linux/Ubuntu  No Comments

The ultimate get-rich-quick scheme

Since my email address is reasonably easily accessible on the Internet (I make no specific attempts to hide it), I get a fairly decent amount of spam. As an experiment, I thought I’d keep track of all the money I’m offered, just to see how rich I could be if only I bothered to respond [...]

January 1, 2010   Posted in: Ramblings  No Comments