Blog
Analytica and Systems Dynamics: Interview with Cory Welch
Cory Welch gave a paper on using Analytica at the International System Dynamics Conference on why and how he uses Analytica for system dynamics (SD) models. He has extensive experience with systems dynamics, starting from his graduate studies at...
More »An Analytica model that recognizes images
I had a lot of fun building and playing with an Analytica model that analyses the pixels of an image to figure out what it is an image of. It implements the resnet18 model, a residual network model introduced...
More »Using the Analytica Decision Engine (ADE) from Python
Today I interacted with an Analytica from Python, which for me was my first time doing so. To do so, I used the Analytica Decision Engine (ADE), which bundles the core Analytica engine as a Component Object Model (COM)...
More »Adding alternative axis scales to a graph
Starting with a graph that varies by Time in units of Seconds, I show how to configure the graph so you can quickly change the horizontal scale from Seconds to Hours, Days or Years. This video is 3 minutes 16 seconds, or 0.00227...
More »Cell formatting in DetermTable that shows which cells are active
In this Analytica 5 Video Short, I configure a DetermTable to use cell formatting so you can tell which data will be used by the computed result given the model's current selections. The solution uses a Cell Format...
More »A Gift to 2018 Graduates
Lumina Decision Systems would like to congratulate all graduates of the class of 2018! You've succeeded with an important accomplishment, and now we want help you succeed in the next phase of your professional life after graduation. If you are...
More »What’s the best retirement account type for me? 401(k), IRA, Roth, other?
It's tax week here in the US, and like many other people, I have less than a week to finalize my tax returns. I also have some last minute decisions. Should I, or my wife, put money into a...
More »How to simplify the IRS tax tables
The federal income tax in the United States uses a series of increasing tax brackets, so that those who earn more pay a higher percentage of their income in taxes. This is an example of a progressive tax. The idea...
More »How is Cambridge Analytica connected to Lumina’s Analytica?
I've been getting this question a lot after the recent notoriety of Cambridge Analytica, Inc. Steven Bannon says he helped found Cambridge Analytica in 2013. He said "I gave it that amazing name," and added...
More »Analytica 5 Video Shorts: π-day Pie Charts—drawing and interacting with images
Today I'm celebrating π day with a three part series of Analytica 5 video shorts, during which I create an interactive pie chart. Watch these to learn how to draw your own custom images that respond to mouse clicks. ...
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