May 9, 2012 · 5:30 PM
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May's meetup will be in the "interactive study group" style. For this meetup, Xiao Dong will be leading the discussion on unsupervised learning and comparing these to supervised and semi-supervised techniques. Unsupervised learning refers to a collection of techniques that attempt to find structure in (unlabeled) data. These are generally exploratory techniques of which clustering is a prime example.
Andrew Ng Machine Learning Lecture 12 (First 18 minutes)
K Means Clustering Lecture Notes by Andrew Ng
Craig Struble's Clustering Presentation
A brief introduction to KNN
Xiao Dong, PhD is a research scientist at University of Illinois Medical Center. Xiao's research experience related to Machine Learning includes applying supervised and unsupervised algorithms in Bioinformatics and Social Media analyses. Xiao is also a very active member in Ruby on Rails, Node.js and iOS communities.