DIY Twitter analytics (part 1: clustering related users)

I’ve started working with the Twitter API to develop my own Twitter analytics tool chain. My goals are to figure out who the influencers in my subjects are, figure out how best to position my tweets, etc. I could certainly pay for this service, but then I wouldn’t learn any new technical skills in the […]

clustering stocks by price correlation (part 1)

I’ve been building my knowledge of clustering techniques to apply to genetic circuit engineering, and decided to try the same tools for stock price analysis. In this post I describe building a hierarchical cluster of stocks by pairwise correlation in weekly price, to see how well the stocks cluster by industry, and compare the derived […]

cluster analysis of marketing survey ranking questions

Recently I’ve become extremely interested in survey analysis and, more broadly, the social consequences of survey-based decision making. So when a friend asked for help extracting business intelligence from a market research survey they conducted, I jumped at the opportunity to test out some ideas. The analysis presented below details a use of hierarchical clustering […]