OC Roll Call Analysis Software Estimates Optimal Classification scores from roll call votes supplied though a 'rollcall' object from package 'pscl'. Software Depends: R (>= 2.3.1), pscl (>= 0.59) James Lo <jameslo@ucla.edu> Keith Poole <kpoole@ucsd.edu>, Jeffrey Lewis <jblewis@ucla.edu>, James Lo <jameslo@ucla.edu> and Royce Carroll <rcarroll@ucsd.edu> GPL-2 2012-01-24 application/tgz http://CRAN.R-project.org/package=oc