Roll call votes from the U.S. House of Representatives, 2005.
Usage
data(votes)
Arguments
Format
A 401-by-669 matrix whose (\(i\),\(j\))-entry corresponds to the vote of the \(i\)th representative on the \(j\)th roll call. Possible votes are "yea", "nay", or "not voting", which are represented by 1/2, -1/2, and 0, respectively.