congress number
id number (ICPSR and Poole-Rosenthal)
icspr state code
congressional district number
name of state
party code (see http://voteview.com/party3.htm)
0=only, 1=first, 2=2nd, etc
1=gen elec, 2=spec elec, 3=elec by state leg, 5=appoint
name of member
1st dim. dw-nominate
2nd dim. dw-nominate
log-likelihood this congress
n choices this congress
n errors this congress
gmp this congress