File:NZ coal consumption 1878 2009.svg
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Summary
| Description |
English: New Zealand's consumption of coal (megatonnes) from 1878 to 2009 |
| Date | |
| Source | Own work Data: Source: New Zealand Government Ministry of Economic Development Energy Data File 2009. URL https://spreadsheets.google.com/ccc?key=0AsLhMBA3NXL4dHFMNWxwdllSQWI5TU42RE9kcmNrMWc&hl=en_GB |
| Author | Mrfebruary |
| SVG development |  This file uses embedded text that can be easily translated using a text editor. |
| Source code | R codec <- read.table("edfcoal.txt", skip=2,header=TRUE, sep="\t", na.strings="NA", dec=".", strip.white=TRUE)
str(c)
'data.frame': 132 obs. of 5 variables:
$ year : int 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 ...
$ Bituminous : num NA NA NA NA NA ...
$ Sub.Bituminous: num NA NA NA NA NA ...
$ Lignite : num NA NA NA NA NA ...
$ Total : num 164821 234928 304736 342674 384342 ...
attach(c)
t<-c(Total/1000000)
b<-c(Bituminous/1000000)
s<-c(Sub.Bituminous/1000000)
l<-c(Lignite/1000000)
summary(t)
Min. 1st Qu. Median Mean 3rd Qu. Max.
0.1648 1.8730 2.3390 2.2840 2.7160 5.7680
library("RSVGTipsDevice")
devSVGTips(file="nzcoal1878-2009.svg",toolTipMode=0,width=7.8,height=5)
plot(year,t,type="l",col=2,lwd=2,ylim=c(0,6),ylab="Megatonnes",xlab="Year",main="New Zealand's Coal Consumption 1878 - 2009")
mtext(side=3,line=-2.0,cex=1,"Source: Ministry of Economic Development Energy Data File 2009")
lines(year,b,col=4,lwd=2)
lines(year,s,col=3,lwd=2)
lines(year,l,col=5,lwd=2)
legend(1880,5.2,bty = "n",c("Total Coal","Bituminous","Sub Bituminous","Lignite"),lty = 1,lwd=2,col=c(2,3,4,5))
dev.off()
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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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:28, 5 February 2011 | | 564 × 361 (14 KB) | Mrfebruary | {{Information |Description ={{en|1=New Zealand's consumption of coal (megatonnes) from 1878 to 2009}} |Source ={{own}} |Author =Mrfebruary |Date =2011-01-05 |Permission = |other_versions = }} [[Categor |
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