Java vs. COBOL and R vs. SAS

Here is an interesting comparison.

Multinomial logit model model with random effects

I just found out that the "mlogit" package can estimate multinomial logit model with random effects just like aML and GLLAMM.

Sex selection in historical China

Here is a short article (in Chinese).

R, Rstudio, and Markdown

Here is a helpful tutorial.

New Rstudio is pretty cool

The new version of Rstudio has option to use "knitr" instead of "sweave", which is really cool!

Disk partition guide for Mint Debian

This post explains how to partition hard disk for Mint Debian.

New version of g++, a good reason to upgrade

My Ubuntu 10.04 runs fine on my workstation except for one thing ... its g++4.4.3 does not have the new c++ language feature which is used in software like CppBugs and its R binding called rcppbugs. The idea behind these two packages are very interesting, which gives me a good reason to upgrade to a new version of the OS (Debian, Mint, or Ubuntu).

Is Markdown/Pandoc any good?

Here is a post about LaTeX vs. Markdown. Looks like it is not easy to translate between the two systems automatically.

Beta regression examples

Here are some examples of beta regression model.