Package: proporz 1.5.2.9000

proporz: Proportional Apportionment

Calculate seat apportionment for legislative bodies with various methods. The algorithms include divisor or highest averages methods (e.g. Jefferson, Webster or Adams), largest remainder methods and biproportional apportionment. Gaffke, N. & Pukelsheim, F. (2008) <doi:10.1016/j.mathsocsci.2008.01.004> Oelbermann, K. F. (2016) <doi:10.1016/j.mathsocsci.2016.02.003>.

Authors:Flavio Poletti [aut, cre, cph]

proporz_1.5.2.9000.tar.gz
proporz_1.5.2.9000.zip(r-4.7)proporz_1.5.2.9000.zip(r-4.6)proporz_1.5.2.9000.zip(r-4.5)
proporz_1.5.2.9000.tgz(r-4.6-any)proporz_1.5.2.9000.tgz(r-4.5-any)
proporz_1.5.2.9000.tar.gz(r-4.7-any)proporz_1.5.2.9000.tar.gz(r-4.6-any)
proporz_1.5.2.9000.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
card.svg |card.png
proporz/json (API)
NEWS

# Install 'proporz' in R:

install.packages('proporz', repos = c('https://polettif.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/polettif/proporz/issues

Pkgdown/docs site:https://polettif.github.io

Datasets:

finland2019 - Finnish Parliamentary Elections Data
uri2020 - Election Data for the Cantonal Council of Uri
zug2018 - Election Data for the Cantonal Council of Zug

On CRAN:

apportionment apportionment-methods biproportional election-analysis

5.75 score 8 stars 9 scripts 136 downloads 25 exports 0 dependencies

Last updated from:0a920c8bdf. Checks:9 OK. Indexed: yes.

Target	Result	Time
linux-devel-x86_64	OK	137
source / vignettes	OK	160
linux-release-x86_64	OK	127
macos-release-arm64	OK	192
macos-oldrel-arm64	OK	167
windows-devel	OK	129
windows-release	OK	86
windows-oldrel	OK	106
wasm-release	OK	111

Exports:apply_quorum biproporz ceil_at district_winner_matrix divisor_ceiling divisor_floor divisor_geometric divisor_harmonic divisor_round get_divisors highest_averages_method largest_remainder_method lower_apportionment pivot_to_df pivot_to_matrix proporz pukelsheim quorum_all quorum_any reached_quorum_any_district reached_quorum_total run_app upper_apportionment weight_list_votes weight_votes_matrix

Dependencies:

Apportionment scenarios

Flavio Poletti

Rendered fromapportionment_scenarios.Rmdusingknitr::rmarkdownon May 29 2026.

Last update: 2025-10-10
Started: 2024-02-23

Modifying biproporz()

Flavio Poletti

Rendered frommodifying_biproporz.Rmdusingknitr::rmarkdownon May 29 2026.

Last update: 2025-10-10
Started: 2025-03-06

Citation

Development and contributors

Readme and manuals

Help Manual

Help page	Topics
Apply quorum to votes vector or matrix	apply_quorum
Biproportional apportionment	biproporz
Rounding with predefined thresholds	ceil_at
Find which party has the most votes in a district	district_winner_matrix
Divisor methods	divisor_ceiling divisor_floor divisor_geometric divisor_harmonic divisor_methods divisor_round
Finnish Parliamentary Elections Data (2019)	finland2019
Get district and party divisors from biproporz result	get_divisors
Highest averages method	highest_averages_method
Largest remainder method	largest_remainder_method
Lower apportionment	lower_apportionment
Pivot long data.frame to wide matrix and vice versa	pivot_to_df pivot_to_matrix
Proportional apportionment	proporz
Biproportional apportionment with data frames	pukelsheim
Create quorum functions for biproportional apportionment	quorum_all quorum_any quorum_functions
Check if parties reached a quorum in at least one district	reached_quorum_any_district
Check if parties reached the quorum for all votes	reached_quorum_total
Use biproportional apportionment interactively in a shiny app	run_app
Upper apportionment	upper_apportionment
Election Data for the Cantonal Council of Uri (2020)	uri2020
Create weighted votes matrix	weight_list_votes weight_votes_matrix
Election Data for the Cantonal Council of Zug (2018)	zug2018