Package index • proporz

Proportional Apportionment

Proportional apportionment distributes seats for a vector of votes. With proporz(), all divisor or largest remainder methods can be accessed.

proporz(): Proportional apportionment

Divisor Methods

highest_averages_method(): Highest averages method

divisor_round() divisor_floor() divisor_harmonic() divisor_geometric() divisor_ceiling(): Divisor methods

Largest Remainder Method

largest_remainder_method(): Largest remainder method

Biproportional Apportionment

Biproportional apportionment distributes seats for a matrix of votes among parties and districts.

biproporz(): Biproportional apportionment

pukelsheim(): Biproportional apportionment with data frames

Algorithm implementations

upper_apportionment(): Upper apportionment

lower_apportionment(): Lower apportionment

Quorum calculations

quorum_all() quorum_any(): Create quorum functions for biproportional apportionment

apply_quorum(): Apply quorum to votes vector or matrix

reached_quorum_any_district(): Check if parties reached a quorum in at least one district

reached_quorum_total(): Check if parties reached the quorum for all votes

Shiny App

run_app(): Use biproportional apportionment interactively in a shiny app

Example Datasets

zug2018: Election Data for the Cantonal Council of Zug (2018)

uri2020: Election Data for the Cantonal Council of Uri (2020)

finland2019: Finnish Parliamentary Elections Data (2019)

Helpers

get_divisors(): Get district and party divisors from biproporz result

weight_votes_matrix() weight_list_votes(): Create weighted votes matrix

district_winner_matrix(): Find which party has the most votes in a district

pivot_to_matrix() pivot_to_df(): Pivot long data.frame to wide matrix and vice versa

ceil_at(): Rounding with predefined thresholds