Knowledge Base
Machine Learning, Optimization, Collaborative Filtering, Data Mining..
Introduction to Matrix Factorization in Collaborative Filtering
This is something I put together as internal training material and thought it might be worth sharing… view/download pdf Presentation Outline 1. Introduction To Matrix Factorization Collaborative Filtering – Alex Lin Senior Architect Intelligent Mining 2. Outline - Factor analysis - Matrix decomposition - Matrix Factorization Model - Minimizing Cost...
Read MoreAn Approach to R Package Recommendation Engine
Slides presented by Alex to the NYC Predictive Analytics group on March 10, 2011 describing his approach to the R Package Recommendation Engine competition on Kaggle, where he placed 4th… view/download pdf Presentation Outline 1. An Approach to R Package Recommendation Engine by Alex Lin of Intelligent Mining 2....
Read MoreNaive Bayesian Text Classifier Event Models
Most people know naive bayesian classifier, but a few of them actually remember there are different event models to be used in naive bayesian. view/download pdf
Read MoreModel Overfitting
In machine learning and predictive analytics, typically we want to find the
Read MoreBuilding A Predictive Model – An Example of Product Recommendation
Slides presented by Alex to the NYC Predictive Analytics group on April 1, 2010 (no joke!) view/download pdf Presentation Outline 1. Building a Predictive Model by Alex Lin, Senior Architect, Intelligent Mining 2. Outline – Predictive modeling methodology – k-Nearest Neighbor (kNN) algorithm – Singular value decomposition (SVD) method...
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