The most recent version of Census is always this one. If you've downloaded Census from anywhere else, you probably need to update it from here.
Census 1.2 beta 2 (Windows installer, 18 February 2011)
You need Windows XP or better, running on an Intel-compatible PC with at least 256Mb of RAM and lots of spare hard drive space. Essentially, any recent Windows-based PC or virtual machine will do.
To install, just double-click the downloaded file. The installer will take it from there. If you don't like installers, try this distribution instead - just unzip into a folder and double-click the Census executable to start.
For the Xpose-based graphics system to work, you will need the following additional components:
R is a free software environment for statistical computing and graphics, similar to S-PLUS. To download R, please choose your preferred CRAN mirror.
Xpose is an R-based model building aid for population analysis using NONMEM. It facilitates data set checkout, exploration and visualization, model diagnostics, candidate covariate identification and model comparison.
Census 1.2 beta 2 source code (Object Pascal, 18 February 2011)
To compile Census, you'll need Borland Developer Studio (BDS) 2006 Professional (or better), as well as a bevy of additional components. I can't make them all available here, so here is a complete list instead.
Compile Time Expert
JEDI VCL & CL
KProcs & KCtls
RDelphi (and R(D)COM)
ZeosDBO & ZeosCtls
Census is written in Delphi-dialect Object Pascal. To compile, make sure all the above components are installed into the Delphi IDE , that Delphi can find them in its search path (see individual installation instructions), and then load and compile Census.bdsproj. Simple as pie. In principle.
Note that compiling Census is not supported on any other version of Delphi. If you can get it to work on another version, nice job - please send me instructions on how to do it and I'll post them. Also, if you find any missing dependencies, please let me know as well.
Census is free, and will forever remain so. It is now formally open source, under the Mozilla Public License, version 1.1.
You can find the main Census project page at SourceForge by following this link. Older releases and other odds and ends may be found there.