convertCodes {pscl} | R Documentation |
Convert roll call matrix to binary form using encoding information.
convertCodes(object, codes = object$codes)
object |
rollcall object |
codes |
list, mapping entries in the votes component of
rollcall object to 0 (‘Nay’), 1 (‘Yea’) and
NA (missing, abstentions, etc). Defaults to the codes
component of the rollcall object. |
See rollcall
for details on the form of the
codes
list.
a matrix
with dimensions equal to the dimensions of
the votes
component of the rollcall
object.
Any entries in the votes
matrix that can
not be mapped into c(0,1,NA)
using the information in
codes
are mapped to NA
, with an informative message
sent to the console.
Simon Jackman jackman@stanford.edu
data(s109) mat <- convertCodes(s109) table(mat,exclude=NULL)