Machine Learning blog

…another data-centric blog about machine learning, predictive analytics and “big” data mining

Model Overfitting

22 Jun, 2010Knowledge Base, Machine Learning

In machine learning and predictive analytics, typically we want to find the

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Building A Predictive Model – An Example of Product Recommendation

2 Apr, 2010Collaborative Filtering, Knowledge Base, Machine Learning, Recommender

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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Incorporating Probabilistic Retrieval Knowledge into TFIDF Search Engine

15 Jan, 2010Information Retrieval, Knowledge Base

This is considered a hack for adding probabilistic retrieval information to TF-IDF oriented search engine. More complete solution should be still handled by BM25. view/download pdf  

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Recommendation Engine Demystified : Neighborhood based Collaborative Filtering

11 Dec, 2009Collaborative Filtering, Knowledge Base, Machine Learning, Recommender

Slides presented by Alex to the NYC Predictive Analytics group: view/download pdf  

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