Blog
Welcome to the Lumina blog!
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 »Beta test period for Analytica 5.1 starts
The beta testing period for release 5.1 has now started. We invite all Analytica users with an active subscription to beta test this next release of Analytica and ADE and give us your feedback. It is a chance to test your...
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. ...
More »Impact of Trump’s proposed Steel & Aluminum tariffs on US trade deficit
This week, President Trump proposed new import tariffs on steel and aluminum. It seems as if the projected net impacts of these tariffs on the total US trade deficit and US economy depends largely on which news outlets you get...
More »Analytica 5 Video Short: Hiding and Disabling Model User-Interface Controls
Analytica 5.0 added several features that allow you to improve your end-user interfaces that you create for your model. One of those enhancements is the ChangeNodeVisibility( ) function that allows you to hide and show, or disable and enable various objects...
More »Analytica 5 Video Short: An expression to crop an image
In this video short, I create an expression that extracts a small image from a larger one. In other words, it crops the original image to a smaller rectangular region of the image. Then I have it array abstract (now...
More »Analytica 5 Video Short: How to resize an image
This 2 minute video short shows you how to resize an image after you've pasted it into a diagram. The Analytica 5 Video shorts series -- short (under 5 minutes) videos showcasing an individual topic or feature in Analytica. The series...
More »