File:New Zealand temp-1971-2008.svg

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Description
English: New Zealand Average Annual Temperatures 1870-2008, linear trend line and lowess trend line. Source: National Institute of Water & Atmospheric Research. The temperature record is based on 7 reliable stations with long records, as described in Salinger, M.J. 1981. ‘The New Zealand temperature series’, Climate Monitor, 9, 112–118.
Date
Source Own work. Data obtained from NIWA and uploaded to http://spreadsheets.google.com/ccc?key=0AsLhMBA3NXL4dGcwQUdDRmsyVDcydVRsci1FSVBMdkE&hl=en_GB
Author Mrfebruary
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R code

nztemp <- read.csv("nztemp_1870-2008.csv", header=TRUE, sep=",", na.strings="NA", dec=".", strip.white=TRUE)

devSVGTips("nztemp-1971-2008.svg", width=9, height=7, bg="white")

plot(nztemp$Year,nztemp$Full, ylim=c(10.7,13.5),type="o",col=2,lwd=1,col.main="black", cex.lab=1.2, 

main="New Zealand Average Annual Temperatures 1870-2008",sub="Source: National Institute of Water & Atmospheric Research", ylab="Degrees Celsius",xlab="Year")

tempyr.lm<-(lm(nztemp$Full~nztemp$Year))

abline(tempyr.lm,col=3,lty=1,lwd=3)

lines(lowess(nztemp$Year,nztemp$Full),col="blue",lty=1,lwd=3)

legend(1960, 11.2, c(paste("trend", c("linear", "lowess"))), lty = 1,lwd=2, col = 3:4)

dev.off()

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GNU head 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/TimeThumbnailDimensionsUserComment
current02:33, 11 November 2009Thumbnail for version as of 02:33, 11 November 2009650 × 506 (30 KB)Mrfebruary (talk | contribs)14 pt title, centered. 'Source: NIWA' added.
02:26, 11 November 2009Thumbnail for version as of 02:26, 11 November 2009650 × 506 (30 KB)Mrfebruary (talk | contribs){{Information |Description={{en|1=New Zealand Average Annual Temperatures 1870-2008, linear trend line and lowess trend line. Source: National Institute of Water & Atmospheric Research. The temperature record is based on 7 reliable stations with long reco

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