Herbert Mühlburger's Blog

Machine Learning Class Machine Learning has always been a topic that attracted my interest. Currently I attend the “Machine Learning” class (@ml_class) offered by Prof. Andrew Ng from Stanford University. The class is awesome. The video lectures are made of small chunks explaining every topic in detail. A lot of topics were already covered: Linear [...]

Web personalization and personalized recommendations are recently gaining more and more interest. Companies like Amazon, Google, Netflix, The New York Times, Facebook, Twitter, … already personalize their products in different ways. If you take Google’s search results as an example. Have you ever noticed that a friend of you gets different search results as you [...]

In the following video Dmitriy Ryaboy, a Twitter Analytics Engineer and a former Cloudera Intern, explains how Twitter uses Hadoop and Pig. Enjoy the video and have a good weekend! Related articles How GE uses Hadoop to analyze big data (news.cnet.com) How GE uses Hadoop to analyze big data (news.cnet.com) Hadoop There it Was–Hadoop Summit [...]

Recently I was searching for good ressources explaining the k-means clustering algorithm. I found the following video from Google Research on YouTube. It explains the K-Means clustering algorithm quite well. Related articles The Difference between Segmentation and Clustering (zyxo.wordpress.com) Clustergram: visualization and diagnostics for cluster analysis (R code) (r-statistics.com) Clustering large datasets (metalev.org)