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Lonnie Chrisman

Lonnie Chrisman is Lumina’s Chief Technical Officer, where he heads engineering and development of Analytica. He has a PhD in Artificial Intelligence and Computer Science from Carnegie Mellon University and a Bachelor’s degree in Electrical Engineering from University of California at Berkeley.

Author Posts

Estimation of mutual information

A measure of association is a function that rates the strength of statistical dependence between two variables. In casual talk, people often express this idea by asserting that …

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Marginal vs. effective tax rates

Presidential candidate Mitt Romney released his tax returns, and the news channels were abuzz with commentary about his effective federal tax rate of 13.9% on $21.7M of income.

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    The free edition of Analytica includes these key Analytica features:
    Free Analytica has no time limit. The only constraint is it won’t let you create more than 100 variables or other objects. But your model can be quite substantial since each variable can be a multidimensional array. It also lets you explore, change inputs, and run existing models of any size (excluding features unique to the Enterprise or Optimizer editions).