Call (+1) 650-212-1212

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”, 1979. 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 four daughters: So, he really trusts Analytica calculations!

Marginal Abatement part 2 - adding a dimension

Lonnie Chrisman 18 Feb 2016

In my earlier blog article, Marginal Abatement, I explained what a Marginal Abatement graph is and how to set up such a graph in Analytica. In this article, I'm going to generalize that model to array-abstract over additional dimensions,...

More »

Faster evaluation in Analytica 4.6

Lonnie Chrisman 26 May 2015 News

As we celebrate the release of Analytica 4.6 this week, I thought I would share the results of some benchmark timings that I carried out to test how the evaluation speed in 4.6 compares with the previous two Analytica releases. As...

More »

Analytica 4.6 beta available

Lonnie Chrisman 17 Mar 2015 News

The first beta release of Analytica 4.6 and ADE is now available. This kicks off the beta testing cycle for this next release of Analytica and ADE. To see a list of new enhancements, visit What’s New in Analytica 4.6? ...

More »

Cost effectiveness of installing rooftop solar panels

Lonnie Chrisman 03 Mar 2015 Analytica tips, Energy and environment

If you are new to modeling, it can be very helpful to watch someone build a model from start to finish. I created a model to decide whether it would be cost-effective to install solar panels on the roof of...

More »

Marginal Abatement

Lonnie Chrisman 25 Jan 2015 Analytica tips, Energy and environment

Analytica models in the energy sector often include a Marginal Abatement graph for CO2 emissions. In this post I explain briefly what a Marginal Abatement graph is and provide steps for creating one of these graphs in Analytica. I have...

More »

Greenhouse Gas Emissions and Energy Expenditure from Santa’s global tour

Lonnie Chrisman 04 Dec 2014 Energy and environment, News

In a few weeks, Santa Claus will embark on his annual Christmas eve ritual, delivering presents to the good little boys and girls around the world. In this article, I look at the net energy expenditure and greenhouse gas emissions...

More »

Congratulations to Dr. Max Henrion for Decision Analysis Society's 2014 Best Practice Award

Lonnie Chrisman 13 Nov 2014 Case studies and applications, Energy and environment, News

      I want to offer my congratulations to my colleague here at Lumina Decision Systems, our CEO Dr. Max Henrion. The annual INFORMS conference took place this week in San Francisco, where Max gave a presentation on the 

More »

Latin Hypercube vs. Monte Carlo Sampling

Lonnie Chrisman 23 Jul 2014 Analytica tips, Analytics and OR, Risk and uncertainty

In a recent post on Linked In, David Vose argues that the advantages of Latin Hypercube sampling (LHS) over Monte Carlo are so minimal that "LHS does not deserve a place in modern simulation software." [1]  He makes some interesting...

More »

Announcing Analytica 4.5

Lonnie Chrisman 11 Feb 2014 Analytica tips, News

Lumina Decision Systems has announced the release of Analytica 4.5. One change that is sure to garner lots of attention is the new Analytica Free 101 edition. That's right -- there is now a fully functional edition of Analytica that you can...

More »

Analytica 4.5 beta available

Lonnie Chrisman 01 Aug 2013 News

Update 16 Dec 2013: The beta testing period for Analytica 4.5 is now closed. (Below shows the article as it appeared when posted 2 Aug 2013) The first beta release of Analytica 4.5 and

More »