Tuesday, October 23, 2012

Twitter Mood Predicts Stock Market Movement

Download: mood_dataset.zip In this post, I try to predict the daily up and down movement of stock prices using twitter mood data and machine learning algorithms. Some time ago, I read a paper called “Twitter mood predicts the stock market.” They claimed to be able to predict stock price movement with an accuracy of over 86%. They used 9,853,498...

Friday, October 05, 2012

Experiments with Real-time Linux

After installing real-time linux on both my Ubuntu laptops, my goal was to get a feel for how well latency peaks are eliminated compared to the standard Linux kernel. I was specificaly interested in network port latencies. Before looking at the network specific latenicies, I experimented with the internal worst-case interrupt latency of the kernel....