Blog
Using Python to parse a Shapefile
A shapefile (*.shp) is a binary file format used by Geographic Information Systems (GIS). I used an existing Python library (Fiona) to read and parse a shape file, and then imported that data into Analytica. Here I'll show how...
More »How to call a Python function from Analytica
I found it pretty easy to call a Python function from Analytica using COM automation. The COM integration functionality comes included with the Analytica Enterprise edition. In this blog posting, I'll show you the basics...
More »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...
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