Pragmatic Programming Techniques

Unsupervised machine learning has broad application in many e-commerce sites and one common usage is to find clusters of consumers with comm...

ROC Curve is a common method to compare performance between different models. It can also be used to pick trade-off decisions between ...

I attended the San Francisco Predictive Analytic conference this week and got a chance to chat with some best data mining practitioners of t...

As more and more data being collected everywhere from pretty much everything a user do, such as transactions activities, social interactions...

Hadoop Map/Reduce model is very good in processing large amount of data in parallel. It provides a general partitioning mechanism (based o...

Looking back after 2.5 years since my previous post on scalable system design techniques , I've observed an emergence of a set of common...

Recently in a number of "scalability discussion meeting", I've seen the following pattern coming up repeatedly ... To make you...