The hardware and bandwidth for this mirror is donated by METANET, the Webhosting and Full Service-Cloud Provider.
If you wish to report a bug, or if you are interested in having us mirror your free-software or open-source project, please feel free to contact us at mirror[@]metanet.ch.

fastVoteR

R-CMD-check Codecov test coverage

Overview

fastVoteR is an R package with Efficient Rcpp Voting Methods for Committee Selection.

Still under development.

Installation

Development version:

# install.packages("pak")
pak::pak("bblodfon/fastVoteR")

Usage

library(fastVoteR)

# 5 candidates
candidates = paste0("V", seq_len(5))
candidates
#> [1] "V1" "V2" "V3" "V4" "V5"

# 4 voters
voters = list(
  c("V3", "V1", "V4"),
  c("V3", "V1"),
  c("V3", "V2"),
  c("V2", "V4")
)
voters
#> [[1]]
#> [1] "V3" "V1" "V4"
#> 
#> [[2]]
#> [1] "V3" "V1"
#> 
#> [[3]]
#> [1] "V3" "V2"
#> 
#> [[4]]
#> [1] "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        0.00

See vote and votesys R packages. For strictly ABC-voting rules, see abcvoting Python package.

Code of Conduct

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.