File:GedlingGraph.svg
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Summary
| Description |
English: United Kingdom general election results for Gedling constituency. |
| 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" | "Other" |
|---|---|---|---|---|
| 1983.44 | 54.13 | 20.55 | NA | 25.32 |
| 1987.44 | 54.48 | 23.93 | NA | 21.59 |
| 1992.27 | 53.2 | 34.4 | 12.1 | 0.3 |
| 1997.33 | 39.5 | 46.8 | 9.9 | 3.9 |
| 2001.43 | 38.3 | 51.1 | 10.6 | NA |
| 2005.34 | 37.5 | 46.1 | 13.8 | 2.6 |
| 2010.35 | 37.3 | 41.1 | 15.3 | 6.3 |
| 2015.35 | 36.1 | 42.3 | 4 | 17.6 |
| 2017.44 | 42.8 | 51.9 | 2 | 3.2 |
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:GedlingGraph.svg")
# ggsave("GedlingGraph.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:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:19, 16 June 2017 | | 512 × 282 (17 KB) | JeremyA (talk | contribs) | User created page with UploadWizard |
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