Archive for June, 2010

Networks with homophily, an interesting visualization

Tuesday, June 8th, 2010

The research I am currently involved in with my advisor Joe Blitzstein concerns networks with homophily. As per Wiki:

Homophily (i.e., love of the same) is the tendency of individuals to associate and bond with similar others. The presence of homophily has been discovered in a vast array of network studies. (more…)

Working with Target Teams Inc.

Sunday, June 6th, 2010

Starting in the fall of 2009, I have been fortunate to be engaged in several projects with Target Teams Inc., a company offering psychometric testing services based in Cambridge, MA. The idea is to uncover the personality of, say, a prospective employee via a series of questions and subsequent statistical analysis of the responses. (more…)

Model-based estimation for respondent-driven network sampling under homophily

Sunday, June 6th, 2010

On May 3 I gave a post-qualifying talk letting the department know how my research was going. It was for the work done in collaboration with my advisor Joe Blitzstein related to respondent-driven sapling (RDS). This is a process used to collect data from hard-to-reach populations, for example injection drug users or HIV infected people. RDS is  used by public health agencies around the world and policy decisions are made with the results, so it is important to be able to carry out reasonable estimation with obtained data. (more…)