Friday, March 25, 2011

Popularity of R

R is gaining popularity, according to this post.

Friday, March 18, 2011

Scientific Linux seems worth trying

According to this post, Scientific Linux seems worth trying.

Solar laptop charger

Here is a review of solar laptop chargers.

Thursday, March 17, 2011

Remove the dock, back to normal

I played with the Cairo dock for over a month. I finally decided to remove it and go back to the plain Gnome interface.

Tuesday, March 15, 2011

Labels and legends in ggplot2 figure

I struggled with getting the labels and legends right in my ggplot2 figure and found this web page very helpful.

Here are some discussions about how to change the font size for the labels.

Sunday, March 13, 2011

Saturday, March 12, 2011

Git with Emacs

A useful places to get the information on how to use Git with Emacs.

Ask R not to create a local directory tree

I don't like R to create a local directory tree in my home directory because new packages will automatically be installed into that directory. The way to do this is to modify the "/usr/local/lib64/R/etc/Renviron" and mark the line "R_LIBS_USER=${R_LIBS_USER-'~/R/x86_64-unknown-linux-gnu-library/2.12'}" off. Simple as that.

Mastering Emacs

This is a good site for Emacs user.

Here is another one.

Emacs 23.3

Just installed the new Emacs 23.3 from source. It seemed to solve the problem I had before using SyncTeX for forward search in Evince.

Saturday, March 05, 2011

PAC manager

PAC manager is a GUI client for SSH. It feels like secureCRT from long time ago.

Thursday, March 03, 2011


Free software for daily journal. First impression is positive.

DID resources

This is a list of resources showing how DID works:

  1. In Stata;
  2. A PowerPoint slide;

Tuesday, March 01, 2011

Use github

The introduction is generally helpful, but they forgot to say that you also need to run "ssh-add" after you generate the keys etc., as described here.