Shige's Research Blog

Wednesday, August 27, 2014

Data science toolkit

Here is a list of useful resources for data science.

Friday, August 22, 2014

Two R packages for piplining

PipeR and magrittr are two packages for piplining in R. This post explains some design differences between them.

Regular expressions in R

This post explains how to use different regular expression commands to achieve various tasks.

Here is a good tutorial, and a YouTube video here.

Sunday, August 17, 2014

Friday, August 15, 2014

Atom editor

The Atom editor is really cool. The Windows build keeps up the pace of development but the Linux build seriously lags behind. The developmental version is 0.124, the Windows build is 0.123, whereas the Linux build is 0.161. Have to build it from source myself, don't have a choice.

Sunday, August 03, 2014


The RNetLogo package completes the NetLogo simulation environment and makes it an attractive and complete experimentation tool for social scientists and alike.

Wednesday, July 16, 2014

R, Python, and Julia

Good posting and lots of excellent comments here!

Sunday, July 13, 2014

The intelligence paradox

The Intelligence Paradox: Why the Intelligent Choice Isn't Always the Smart One is an interesting book. One one hand, it proposes a number of very important research questions; on the other hand, the statistical analysis tends to be overly simplistic (e.g., relying on regression analysis of observational data) and the substantive conclusions are sometimes not as solid as they could have been.