File:QC polling campaign 2014.svg
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Original file (SVG file, nominally 720 × 450 pixels, file size: 148 KB)
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Summary
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| Description |
English: A combination of opinion polls during the 2014 Quebec general election campaign. The trend lines are local regressions with α = 0.8 and 95% confidence interval ribbons. Election results are represented by diamonds. |
| Date | |
| Source | Own work |
| Author | Abjiklam |
| Other versions | File:QC sondages campagne 2014.svg |
Licensing
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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.
Code
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The graph is generated by the following R script, largely inspired by this file.
library(RCurl)
library(reshape)
library(htmltab)
library(ggplot2)
library(stringr)
library(scales)
#get the table from the url
theurl <- getURL("https://en.wikipedia.org/wiki/Quebec_general_election,_2014", ssl.verifyPeer=FALSE)
table <- htmltab(theurl, which=12)
df = table[2:nrow(table)-1, c(2, 5, 4, 6, 7)]
names(df) = c("Date", "QLP", "PQ", "CAQ", "QS")
df$Date = as.Date(substr(df[, 1], 9, 18))
for (i in c(2:5)) {
df[[i]] = as.numeric(df[[i]])/100
}
mdata <- melt(df[3:nrow(df)-1, ], id="Date")
names(mdata)[2:3] = c("Party", "Support")
colors = c("#EA6D6A", "#87CEFA", "#9372D4", "#FF8040")
labels = c("QLP", "PQ", "CAQ", "QS")
results = mdata
election = data.frame(Date = rep(df$Date[1], 4),
Support = as.numeric(df[1, 2:5]),
Party = labels)
d = ggplot(results, aes(x=Date, y=Support, colour=Party)) +
geom_point(alpha=0.7) +
geom_smooth(span=0.8, show.legend=F, alpha=0.3) +
scale_colour_manual(values = colors) +
labs(title="Polling during the 2014 Quebec electoral campaign") +
scale_y_continuous(breaks=seq(0,0.5,0.05), minor_breaks=seq(0,0.5,0.01), labels=percent,
limits=c(0, 0.5)) +
scale_x_date(labels=date_format("%b %d"),
breaks=c(seq(as.Date("2014/3/5"), as.Date("2014/4/7"), "5 days"), as.Date("2014/4/7")),
minor_breaks=seq(as.Date("2014/3/5"), as.Date("2014/4/7"), "day"),
limits=c(as.Date("2014/3/5"), as.Date("2014/4/7"))) +
theme(panel.grid.minor=element_line(size=0.2),
panel.grid.major=element_line(size=0.8)) +
geom_point(data=election, size=3, shape=5, show.legend=F) +
geom_point(data=election, size=2, show.legend=F) +
geom_text(data=election, show.legend=F,
aes(label=round(election$Support*100, digits=1)),
size=3, hjust=-0.2, vjust=-0.4, color="#000000")
#save plot as "qc2014.svg"
svg(filename="qc2014.svg",
width=8,
height=5,
pointsize=12,
bg="transparent")
d
dev.off()
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:13, 24 May 2016 | | 720 × 450 (148 KB) | Χ (talk | contribs) | User created page with UploadWizard |
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