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fastVoteR is an R package with efficient voting methods
for committee selection. Uses Rcpp.
CRAN version:
install.packages("fastVoteR")Development version from GitHub:
# install.packages("pak")
pak::pak("bblodfon/fastVoteR")library(fastVoteR)
# 5 candidates
candidates = paste0("V", seq_len(5))
candidates
#> [1] "V1" "V2" "V3" "V4" "V5"
# 4 voters with their preferences (approval ballots)
voters = list(
c("V3", "V1", "V4"),
c("V3", "V1"),
c("V3", "V2"),
c("V2", "V4")
)
set.seed(42)
# voter weights
weights = c(1.1, 2.5, 0.8, 0.9)
# Approval voting (all voters equal)
rank_candidates(voters, candidates)
#> candidate score norm_score borda_score
#> <char> <num> <num> <num>
#> 1: V3 3 0.75 1.00
#> 2: V1 2 0.50 0.75
#> 3: V2 2 0.50 0.50
#> 4: V4 2 0.50 0.25
#> 5: V5 0 0.00 0.00
# Approval voting (voters unequal)
rank_candidates(voters, candidates, weights)
#> candidate score norm_score borda_score
#> <char> <num> <num> <num>
#> 1: V3 4.4 0.8301887 1.00
#> 2: V1 3.6 0.6792453 0.75
#> 3: V4 2.0 0.3773585 0.50
#> 4: V2 1.7 0.3207547 0.25
#> 5: V5 0.0 0.0000000 0.00
# Satisfaction Approval voting (voters unequal)
rank_candidates(voters, candidates, weights, method = "sav")
#> candidate score norm_score borda_score
#> <char> <num> <num> <num>
#> 1: V3 2.0166667 0.8175676 1.00
#> 2: V1 1.6166667 0.6554054 0.75
#> 3: V2 0.8500000 0.3445946 0.50
#> 4: V4 0.8166667 0.3310811 0.25
#> 5: V5 0.0000000 0.0000000 0.00
# Sequential Proportional Approval voting (voters equal)
rank_candidates(voters, candidates, method = "seq_pav")
#> candidate borda_score
#> <char> <num>
#> 1: V3 1.00
#> 2: V2 0.75
#> 3: V1 0.50
#> 4: V4 0.25
#> 5: V5 0.00See vote and votesys R packages. For strictly ABC-voting rules, see abcvoting Python package.
Please note that the fastVoteR project is released with
a Contributor
Code of Conduct. By contributing to this project, you agree to abide
by its terms.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.