R-bloggers announcement – maintenance mode – site might be down
Hello dear followers of R-bloggers.com Today (and probably in the next few days), R-bloggers will be down part of the time due to maintenance work. (Technical stuff: I am moving the site from shared hosting to VPS, and there seem to be a few bumps in the road) Sorry for the inconvenience, I will update once it would look like we are in the clear. Best, Tal GaliliBot Botany – K-Means and ggplot2
posted on R-Chart ·
retrieved on September 2, 2010 ·
retrieved on September 2, 2010 ·
New R User Group in New Jersey
posted on Revolutions ·
retrieved on September 2, 2010 ·
Folks in the New Jersey area no longer need to trek over to New York City to meet other R users. Now there's NewJerseyR, a new R user group put together by Mango Solutions. The first meeting will in Iselin on September 16, with speakers from Mango, Pfizer, and Bristol Myers Squibb. Full details at the NewJerseyR website, linked below.NewJerseyR: NewJerseyR home page
(Follow the link for other posts by David Smith)
retrieved on September 2, 2010 ·
Statisfaction
posted on Xi'an's Og » R ·
retrieved on September 2, 2010 ·
retrieved on September 2, 2010 ·

How the expiration of the assault weapon ban affected Mexico
posted on Diego Valle's Blog ·
retrieved on September 2, 2010 ·
retrieved on September 2, 2010 ·

Third, and Hopefully Final, Post on Correlated Random Normal Generation (Cholesky Edition)
posted on Cerebral Mastication » R ·
retrieved on September 2, 2010 ·
retrieved on September 2, 2010 ·

Stochastic approximation in Bristol
posted on Xi'an's Og » R ·
retrieved on September 2, 2010 ·
retrieved on September 2, 2010 ·
Rllvm
posted on Omegahat Statistical Computing » R ·
retrieved on September 1, 2010 ·
retrieved on September 1, 2010 ·
Rffi
posted on Omegahat Statistical Computing » R ·
retrieved on September 1, 2010 ·
retrieved on September 1, 2010 ·
How to generate correlated random numbers
posted on Revolutions ·
retrieved on September 1, 2010 ·
We've covered how to generate random numbers in R before, but what if you want to go beyond generating one random number at a time? What if you want to generate two, or three or more random numbers, and what's more, you want them to be correlated?JD Long lays out the way in a couple of posts at his Cerebral Mastication blog. If you want to generate bivariate (or trivariate, or more) random multivariate Normal variates, it's pretty easy, as JD points out. Just use the mvrnorm function from the ...
retrieved on September 1, 2010 ·
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