Blog Archives

Harvesting & Analyzing Interaction Data in R: The Case of MyLyn

September 9, 2010
By

Sean Goggins presents a network analysis of MyLyn software development project.

Read more »

useR! 2010 – Local R User Group Panel

July 24, 2010
By

Panel discussion about forming local R user groups from useR! 2010. Panelists include, Jim Porzak (San Francisco Bay Area), David Smith (REvolution Analytics), John C. Nash (Ottawa, Canada), Drew Conway (New York City), Szilard Pafka (Los Angeles), M...

Read more »

Advanced debugging techniques in R

June 4, 2010
By

Harlan Harris provides an interactive introduction to more advanced debugging techniques using traceback(), trace() and debug(). This talk was presented to the NYC R Statistical Programming Meetup on June 3, 2010. Code from Harlan's talk is available...

Read more »

Debugging basics in R

June 4, 2010
By

Jay Emerson, professor of statistics at Yale University, introduces basic core functions for simple debugging in R, including print(), cat() and browser(). This talk was presented at the NYC R Statistical Programming Language Meetup on June 3, 2010.

Read more »

Map-reduce in R with Amazon EMR

May 27, 2010
By

James Long discusses his experience performing large distributed calculations in R on Amazon's Elastic Map-reduce service. James also provides a live demonstration of using R with EMR to stochastically calculate pi.

Read more »

Mining and Analyzing Online Social Graph Data

May 19, 2010
By

Drew Conway, PhD student in NYU's Department of Politics, provides an introduction to mining social graph data from the Internet that focuses on the technical, substantive and ethical concerns related to this type of analysis.

Read more »

How I came to R

May 6, 2010
By

J. D. Long will be giving an introduction to R - how he got into it when doing data analysis and what drew him to use it instead of complicated excel models.

Read more »

Solving optimization problems numerically in R with optim()

April 15, 2010
By

Often in game theory (and presumably other applied math settings) we are interested in the behavior of equations with no explicit solution. In this talk, Andrew Little demonstrates how I use the optim() and other functions in R for such situations in m...

Read more »

Zelig and Matching in R with an Application to Conflict and Leader Tenure

April 14, 2010
By

Andrew Little discusses two econometric packages developed by Gary King of Harvard, and how he has used them in his research at the August, 2009 NYC R Statistical Programming Meetup. Zelig - a single, easy-to-use package that can estimate, help inter...

Read more »

Portfolio Correlation Analysis Tool

April 14, 2010
By

Andrew Ilardi presents R project that analyzes a list of stocks to the NYC R Statistical Programming Meetup on April 8, 2010. Andrew's tool reaches out to the web to pull historical stock prices, then plots Quarter over Quarter correlations and a yea...

Read more »