Introducing AequilibraE for QGIS

Posted Posted in AequilibraE, GIS, Python

Back in January 2003 when I started my career in transportation planning as an intern at Logit, my main tools as far as software went were MS Excel and TransCad (sometimes Maptitude).  I would do all the modeling in Excel/VBA and use Transcad for assignment and visualization, and would always rely heavily on the visualization […]

Cube’s log file

Posted Posted in Cube, GIS, Python

I already posted some stuff about CSFFM, and I still have a couple more to post (many more after TRB papers are submitted) and this time I’ll talk a bit about the network editing procedure we went over. We started to develop our network based on the previous version on the passenger model (from which […]

US Refineries

Posted Posted in GIS, TransCAD

I already talked about CSFFM when I presented the seasonality analysis I made for agricultural products, but now the focus is on different parts of CSFFM. When working with freight modeling, often analyses use aggregate data like sector employment, GDP, number of firms and other statistics the Census provides. It becomes, then, an econometric exercise […]

Seasonality analysis

Posted 1 CommentPosted in GIS, Python

Freight modeling is currently a very hot topic in the US, and California currently has its CSFFM being developed at UCI by a team to which I belong. First of all, there are two main streams of freight modeling. The first one has a more urban accent to it, and usually models truck movements, like […]