When an exhaustive scrutiny of the model code, the data and more sensitivity analyses don’t reveal why your model isn’t working, you must consider that perhaps it’s your intuition…
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What to do when your model results are ridiculous?
Testing hypotheses about causation
In 2002, I developed a statistical framework for testing whether your data provides statistically significant support for the hypothesis that A causes B. I published only one…
How the strange Cauchy distribution proved useful
On Tuesday I had an interesting exchange with Jorge Muro Arbulú, a professor in Peru, about the Cauchy distribution, which also called the Lorenzian distribution.
Using Python to parse a Shapefile
A shapefile (*.shp) is a binary file format used by Geographic Information Systems (GIS). I used an existing Python library (Fiona) to read and parse a shape file, and then…
How to call a Python function from Analytica
I found it pretty easy to call a Python function from Analytica using COM automation. The Component Object Model (COM) integration functionality comes included with the Analytica…
Analytica and Cognitive Radio
The more I learn about our Analytica users, the more I discover that “those who like it, like it a lot” (to borrow a slogan from a brewery back home in Canada).
World Cup Soccer. How much does randomness determine the winner?
A few years ago France beat Croatia in the World Cup final. Congratulations to France for winning the last world championship! And also to Croatia for making it to the final…