DoncasterNorthGraph.svg
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Summary
| Description |
English:
United Kingdom general election results for
Doncaster North
constituency from 1983 to present.
|
| Date | |
| Source | Own work |
| Author | JeremyA |
Notes
The Background colour indicates the party of the sitting MP at any given year.
Graph drawn with R
Parties:
- Conservative = Conservative Party (1885–1918; 1964–present); Conservative and Liberal Unionist (1922–1959).
- Labour = Labour Party
- Liberal = Liberal Party (1885–1979); SDP-Liberal Alliance (1983–1987); Liberal Democrats (1992–present).
Data:
| Year | Conservative | Labour | Liberal | UKIP/Brexit | Other |
|---|---|---|---|---|---|
| 1983.44 | 27.6 | 52.8 | 19.7 | NA | NA |
| 1987.44 | 24.4 | 61.8 | 13.9 | NA | NA |
| 1992.27 | 25.9 | 61.8 | 12.3 | NA | NA |
| 1997.33 | 14.8 | 69.8 | 8.4 | NA | 7 |
| 2001.43 | 14.7 | 63.1 | 10.6 | 2.3 | 9.3 |
| 2005.34 | 15.4 | 55.5 | 12 | 3 | 14.1 |
| 2010.35 | 21 | 47.3 | 14.9 | 4.3 | 12.4 |
| 2015.35 | 18.3 | 52.4 | 2.5 | 22.6 | 4.1 |
| 2017.44 | 27.6 | 60.8 | 1.7 | 6.5 | 3.6 |
| 2019.50 | 32.6 | 38.7 | 3.6 | 20.4 | 4.6 |
Code:
The graph was produced with R . The following code will reproduce the graph using the data on this page.
library(tidyverse)
library(htmltab)
library(lubridate)
election_graph <- function(pageURL) {
election <- htmltab(pageURL,
which = 2,
rm_nodata_cols = F)
election <- as.tibble(lapply(election, function(x) {gsub("unopp", "100", x)}))
tidy_election <- gather(election, "Party", "Votes", 2:length(election))
tidy_election$Year <- as.numeric(tidy_election$Year)
tidy_election$Party <- factor(tidy_election$Party, levels = c("Conservative", "Labour", "Liberal", "Green", "SNP", "UKIP", "Other"))
tidy_election$Votes <- as.numeric(tidy_election$Votes)
election_victor <- tidy_election %>% filter(is.na(Votes) == FALSE) %>% group_by(Year) %>% summarize(Party = Party[which(Votes == max(Votes))])
election_victor$Year <- as.numeric(election_victor$Year)
election_victor$start_year <- election_victor$Year
election_victor$end_year <- c(election_victor$Year[-1], ceiling(election_victor$Year[length(election_victor$Year)] + 1))
election_victor[1,3] <- floor(election_victor[1,3] - 1)
tidy_election$Votes <- as.numeric(sapply(tidy_election$Votes, function(x) {gsub(100, NA, x)}))
party_colours <- c("#0087DC", "#DC241F", "#FAA61A", "#008066", "#FFF95D", "#EFE600", "dark grey")
names(party_colours) <- c("Conservative", "Labour", "Liberal", "Green", "SNP", "UKIP", "Other")
ggplot(tidy_election) +
geom_rect(data = election_victor,
aes(xmin = start_year,xmax = end_year, ymin = -Inf, ymax = Inf, fill = Party),
alpha = 0.35,
show.legend = F) +
geom_line(aes(x = Year, y = Votes, colour = Party), size = 0.703) +
geom_point(aes(x = Year, y = Votes, colour = Party)) +
geom_hline(yintercept = 100, color="black", size = 1.5) +
geom_vline(xintercept = 2019, color="black", size = 1.5) +
scale_colour_manual(values = party_colours) +
scale_fill_manual(values = party_colours) +
theme(text = element_text(color="black", size = 14),
axis.text = element_text(color="black", size = 11),
axis.line.x = element_line(color="black", size = 0.703),
axis.ticks.x = element_line(color="black", size = 0.703),
axis.line.y = element_line(color="black", size = 0.703),
axis.ticks.y = element_line(color="black", size = 0.703),
axis.ticks.length = unit(5, "points"),
panel.grid.major = element_line(color="blue", size = 0.5, linetype = 3),
panel.grid.minor = element_blank(),
panel.background = element_blank(),
legend.position = c(.98, .97),
legend.direction = "horizontal",
legend.text = element_text(color="black", size = 11),
legend.title=element_blank(),
legend.justification = c("right", "top"),
legend.box.just = "right",
legend.key = element_blank(),
legend.background = element_rect(fill = "white", colour = "black"),
legend.margin = margin(0, 4, 4, 4)) +
scale_x_continuous(expand = c(0, 0), limits = c(election_victor[[1,3]], election_victor$end_year[length(election_victor$end_year)]), breaks = seq(1890, 2010, 10)) +
scale_y_continuous(expand = c(0, 0), limits = c(0, 100), breaks = seq(0, 100, 20)) +
labs(x = "Year", y = "Percentage Vote")
}
election_graph("https://commons.wikimedia.org/wiki/File:DoncasterNorthGraph.svg")
ggsave("DoncasterNorthGraph.svg", device = "svg", units = "cm", width = 20, height = 11, dpi = 120)
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
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Attribution-Share Alike 4.0 International
license.
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You are free:
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