This blog following up my previous oneattempts to explain how the geo-pie map was created. I do not know how to attach a .rflow file in this blog. What you can do is to copy the following code into Notepad … Continue reading →

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Update: An expanded version of this tutorial will appear in the new Elsevier book Practical Text Mining and Statistical Analysis for Non-structured Text Data Applications by Gary Miner et. al which is now available for pre-order from Amazon. In conjunction with the book, I have cleaned up the tutorial code and published it on github.

Today I had one of those special moments that is uniquely associated with R. One of my colleagues was trying to solve what I term an 'Excel problem'. That is, one where the problem magically disappears once a programming language is employed. Put simpl...

This tutorial illustrates how to use Bayesian Model Averaging (BMA) with panel data using the R package BMS.ContentsIntroduction Fixed Effects Estimation by Demeaning the Data Fixed Effects Estimation with Dummy Variables Bibliography DownloadsA ...

My TreeBASE R package is essentially functional now. Here’s a quick tutorial on the kinds of things it can do. Grab the treebase package here, install and load the library into R. TreeBASE provides two APIs to query the database, one which searches by the metadata associated with different publications (called OAI-PMH), and another which