Create animated graphics with R
In a post last week, I wondered whether it was possible to create animated data charts with R. I think…
Speed up backtesting with parallel computing
The video from last month's high-performance backtesting webinar is now available for replay. It's well worth checking out, especially for…
Tweets, Viruses and Bubbles
Twitter seems to have some design flaws which may be the result of its developers not thinking enough about security…
Do We Really Need More Data?
Stephen Few had another of his great posts on his Visual Business Intelligence blog - Do We Really Need More…
Gapminder: Animating the World’s Data
Gapminder is non-profit organization that makes social, environmental and economic development data from all the countries of the world available and…
Would Vincent Van Gogh cut off his ear for Performance Management?
This week I presented seminars in Amsterdam and took some time to visit the Van Gogh Museum. It is a…
Why normalization matters with K-Means
A question about K-means clustering in Clementine was posted here. I thought I knew the answer, but took the opportunity…
Why Data Sampling Leads to Bad Decisions
New technologies enabling terabyte-scale data analysis are causing a shift in the market away from sampling techniques. This is good…
History of BI Month
Here is a good video tutorial from a cool guy working for Microsoft. If you have 10 minutes 36 seconds…