# Lonnie Chrisman

Lonnie Chrisman, PhD, is Lumina's Chief Technical Officer, where he heads engineering and development of Analytica®. He has authored dozens refereed publications in the areas of machine learning, Artificial Intelligence planning, robotics, probabilistic inference, Bayesian networks, and computational biology. He was was in eighth grade when he had his first paid programming job. He was awarded the Alton B. Zerby award "Most outstanding Electrical Engineering Student in the USA", 1987. He has a PhD in Artificial Intelligence and Computer Science from Carnegie Mellon University; and a BS in Electrical Engineering from University of California at Berkeley. Lonnie used Analytica for seismic structural analysis of an extension that he built to his own home where he lives with his wife and raised four daughters: So, he really trusts Analytica calculations!

## Book Review: Toma de decisiones bajo incertidumbre

This just-released Spanish-language textbook from Professor Jorge E Muro Arbulú has now taken its spot as my favorite textbook on …

## Plotting over a Google Map

Here is how to display your geographic data on a Google map background.

## How to update y = m x + b with new data

Abstract: Bayesian linear regression made super easy and intuitive! You arrive in a new city for the first time, and you’ll …

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 conference paper with some colleagues on the idea before moving on to other things, but I’ve always felt the idea was pretty novel and interesting.

## 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 …

## 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 …

## How to call a Python function from Analytica

I found it pretty easy to call a Python function from Analytica using COM automation. The COM integration functionality comes included with the …

## World Cup Soccer. How much does randomness determine the winner?

Yesterday France beat Croatia in the World Cup final. Congratulations to France for winning the world championship!  And also to …

## How to limit entry to specific cells of an edit table

Netflix’s basic subscription plan was introduced in May 2014. In a Netflix business model that I created, I have an …

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