Draw overhang seats in mixed-member proportional (MMP) electoral systems

Draw overhang seats in mixed-member proportional (MMP) electoral systems

geom_overhang_seats(expr)

Arguments

expr

Expr refers to the designated overhang seats.

Author

Zoe Meers

Examples

germany <- data.frame(
  year = 2013,
  seats = c(64, 63, 311, 193),
  government = c(0, 0, 1, 1),
  colour = c("#BE3075", "#64A12D", "#000000", "#EB001F"),
  party = c(
    "The Left",
    "Alliance 90/The Greens",
    "Christian Democratic Union",
    "Social Democratic Party"
  )
)
german_data <- parliament_data(
  election_data = germany,
  parl_rows = 11,
  party_seats = germany$seats,
  type = "semicircle"
)
german_data$overhang_seats <- rep(
  c(1, 0, 1, 0, 1, 0, 1, 0),
  c(16, 295, 11, 182, 3, 61, 3, 60)
)
ggplot2::ggplot(german_data, ggplot2::aes(x, y, colour = party)) +
  geom_parliament_seats() +
  geom_overhang_seats(overhang_seats == 1) +
  theme_ggparliament() +
  ggplot2::scale_colour_manual(
    values = as.character(german_data$colour),
    limits = as.character(german_data$party)
  )