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Analytica 5 Video Short: The length of an index

Lonnie Chrisman 07 Nov 2017 Analytica 5.0, Analytica tips

The Analytica 5 Video shorts series -- short (under 5 minutes) videos showcasing an individual topic or feature in Analytica. The series primarily focuses on features that are New in Analytica 5. 

Finding the length of an index is obviously pretty trivial. But there are several ways to do find it, and there are some "gotchas" if you aren't careful. The IndexLength function is, of course, the recommended and reliable way to get it. But are you in the habit of using Size(I)? Did you know that Size(I) is not the same as IndexLength(I), and is not always the length of the index? Watch the video to understand the differences.


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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!

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