Ventana software support forum

Posted by ""Timothy Quinn"" <tdquinn@MIT.EDU> Monte, My replies are by no means authoritative, but represent my opinion. However, I hope they are helpful. (1) Prediction versus projection. Often, SD models are intended to reproduce a behavior mode (e.g., overshoot-and-collapse or...

Posted by ""Timothy Quinn"" <tdquinn@MIT.EDU> Hi Jim, I'm no expert on ABM, but I did look into using SWARM about 5 years ago when it was still being developed by the Sante Fe Institute. My colleague Hazhir Rahmandad won the Dana Meadows student award at the 2004 SD conference fo...

Posted by ""Timothy Quinn"" <tdquinn@MIT.EDU> I have two very specific questions for the practitioners among you. Before I pose them, here is the setup: In the past three weeks, I have been asked on several occasions how we ""validate"" our models when they ar...