Get data on the votes of individual members of Congress
Source:R/get_voteview_member_votes.R
get_voteview_member_votes.Rdget_voteview_member_votes() returns a tibble that lists how each member
of Congress voted in recorded (roll call) votes in the House and Senate.
Members are identified by their ICPSR ID number, which you can use to
join with additional member data from get_voteview_members().
Arguments
- chamber
Which chamber to get data for. Options are:
"all","congress","hs": Both House and Senate data (the default)."house","h","hr": House data only."senate","s","sen": Senate data only.
These options are case-insensitive. If you explicitly pass a different value, it will default to "all" with a warning.
- congress
(Optional) A whole number (to get data for a single Congress), or a numeric vector (to get data for a set of congresses).
If not provided, will retrieve data for all Congresses by default. If specified, Congress numbers cannot be greater than the
current_congress()(i.e., you cannot try to get future data).- local_path
(Optional) A file path for reading from a local file. If no
local_pathis specified, will read data from the Voteview website.
Details
See the Voteview website for more information on their data.
Please cite this dataset as:
Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2025). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/
See also
get_voteview_cast_codes() for a dictionary of
the cast codes in this data.
Examples
if (FALSE) { # interactive()
get_voteview_member_votes()
# Get data for only one chamber
get_voteview_member_votes(chamber = "house")
get_voteview_member_votes(chamber = "senate")
# Get data for a specific Congress
get_voteview_member_votes(congress = 110)
get_voteview_member_votes(congress = current_congress())
}
# Get data for a set of Congresses
get_voteview_member_votes(congress = 1:3)
#> # A tibble: 27,558 × 6
#> congress chamber rollnumber icpsr cast_code prob
#> <int> <fct> <int> <int> <int> <dbl>
#> 1 1 House 1 154 6 61.1
#> 2 1 House 1 259 9 99.6
#> 3 1 House 1 379 1 100
#> 4 1 House 1 649 1 59.2
#> 5 1 House 1 786 1 97.7
#> 6 1 House 1 800 9 99.9
#> 7 1 House 1 878 6 14.4
#> 8 1 House 1 884 9 54.8
#> 9 1 House 1 1118 9 99.9
#> 10 1 House 1 1260 1 99.9
#> # ℹ 27,548 more rows