13 greatest error messages of all time

Here is a fun post.

Tango color theme for Emacs

I like the Tango color theme for Emacs

Get predicted values from GAM models

I used to rely on the default plot produced  by the GAM command; now I realized that it is quite simple to produce and plot predicted predicted values using the "predict.gam()" function in the "mcgv" package.

Interaction effect plot

I am glad to find out that the "effects" package can now handle mixed effect model results from "lme4".

How to get marginal effects with "mvrs"

I found this very helpful post by Ryan sometime ago about how to get marginal effect from estimated models with "mvrs" command, very helpful.

Stata 12

There are two things I like Stata 12 most: (1) automatic memory management, and (2) a decent program editor for Linux (I know the editor has been available on the Windows platform since version 11, but I am a Linux person). The updated "margin" commands also look good.

A few things to do after installing Linux Mint

To make Linux Mint more comfortable.

Dong MCMC using Rcpp

Here is an interesting example.

OpenGeoDa

The Linux version of the OpenGeoDa seems to be more stable than the Windows version: I was able to open some shape files with Chinese file names under Ubuntu Linux but not under Windows 7 (simply crashed).

Updated on August 18. 2011: 

Now the problem is that OpenGeoDa does not seem to run on Ubuntu 11.04 64-bit: no error messages and no hints, really weird...