Joining R-bloggers.com

Today I was invited by Tal Galili, to join the great www.R-bloggers.com network of R blogs. Now all my posts categorized under Statistics/R, will be automagically published to www.R-bloggers.com. In case you don’t know R-bloggers yet, I highly encourage you to visit it. It’s an amazing resource, serving as a hub for hundreds of different bloggers about R. I’ve found some true gems there...

Equality of Covariances Ma...

This is a piece of code I implemented in 2004, which was supposed to be part of an R-package in multivariate testing (to be named, rather creatively, mvttests). Time has flown, I haven’t still got around to implementing the said package, but people keep asking me for the varcomp function, so here it is, for posterity: Download...

Sphericity Test for Covari...

This is a piece of code I implemented in 2004, which was supposed to be part of an R-package in multivariate testing (to be named, rather creatively, mvttests). Time has flown, I haven’t still got around to implementing the said package, but people keep asking me for the sphericity.test function, so here it is, for posterity: Download...

Miracle Fruit Tablets

The fruit below is called Synsepalum dulcificum, or in common parlance miraculous berry, and was discovered in Africa in 1725, where it was chewed by local tribes before meals. The most interesting aspect of this fruit is that it causes a change in gustatory perception to whoever chews it, making that every sour/citric flavour be perceived as sweet instead (for example limes, watercress). The effect lasts...

Why should you consider us...

As a long-time del.icio.us user I was quite surprised when I first heard about the rumors about its shutdown by Yahoo. As I dug further into it I came across their official blog post dated December 17th, and decided to wait sometime before making a move, figuring Yahoo would not simply shutdown the service without ample notice. This comment on Slashdot was eye-opening though, and after perusing some of the...

R2HTML Package

Update: I maintained R2HTML from the original pub date of this post (2005) up until version 1.59, but no longer maintain it. Maintenance is now back to the author of the package (Eric Lecoutre). Keeping this page just for posterity. Introduction R2HTML is an R package, written and maintained by Eric Lecoutre currently maintained by me. It provides functions and methods to output different R objects...

Printing to PostScript in ...

1 – Windows 7: First Impressions I’ve recently purchased a copy of Windows 7 for my wife’s computer, and I have to say that it is indeed a quite nice jump ahead in terms of quality in comparison to Windows XP. After installing it and using it for a while I can certainly vouch that Windows seems to be ready for the Desktop again. Ubuntu for quite sometime was very much ahead of Windows,...
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