File:New Zealand opinion polls - preferred prime minister 2005-2008.png
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Summary
| Description | Graph showing preferences for prime minister in New Zealand since the 2005 election, according to various political polls. See w:Opinion polling for the New Zealand general election, 2008 for details of the polling data. |
| Date | |
| Source | Own work |
| Author | Avenue (Avenue) |
This graph was created using R's ggplot2 package. Here is the source code, available under GPL version 2 and later as well as the licenses below.
library(reshape)
library(ggplot2)
ppm <- read.csv("NZ opinion polls 2006-2008 PPM.csv", na.strings="-")
ppm$Date <- as.Date(ppm$Date)
lppm <- melt(ppm[,-3], id.var=c("Poll", "Date"), variable_name="Politician")
names(lppm)[4] <- "Support"
lppm$Politician <- with(lppm, reorder(Politician, Support, na.rm=TRUE))
levels(lppm$Politician) <- sub(".", " ", levels(lppm$Politician), fixed=TRUE)
p <- ggplot(lppm, aes(x=Date, y=Support, colour=factor(Politician)))
p + geom_point() + stat_smooth(se=FALSE) +
scale_colour_manual(name = "Politician", values = c("black", "purple", "blue", "red")) +
scale_x_date(major="4 months", format="%b-%Y") +
scale_y_continuous(limits=c(0,55), name="Support (%)")
Licensing
I, the copyright holder of this work, hereby publish it under the following licenses:
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:49, 23 April 2008 | | 1,600 × 1,198 (121 KB) | Avenue | Updated version, including two new polls |
| 23:39, 29 March 2008 |  | 1,600 × 1,198 (117 KB) | Avenue | Updated version, including extra polls | |
| 12:11, 25 March 2008 |  | 1,600 × 1,198 (112 KB) | Avenue | == Summary == {{Information |Description=Graph showing preferences for prime minister in New Zealand since the 2005 election, according to various political polls. See w:Opinion_polling_for_the_New_Zealand_general_election,_2008 for details of the p |
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