SNHTabsoluteII: standard normal homogeneity test (SNHT) absolute homogeneity...

Description Usage Arguments Value Author(s) Source References Examples

Description

SNHTabsoluteII returns the result of the standard normal homogeneity test (SNHT) absolute homogeneity test with standard deviation different from 1, applied to a time series.

Usage

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SNHTabsoluteII(dataSeries)

Arguments

dataSeries

time series of climate data

Value

The result of the SNHT absolute homogeneity test with SD != 1.

Author(s)

Jose Gama

Source

Wijngaard, J. B., Klein Tank, A. M. G. and Können, G. P. (2003), Homogeneity of 20th century European daily temperature and precipitation series. Int. J. Climatol., 23: 679–692. doi: 10.1002/joc.906

References

Wijngaard, J. B., Klein Tank, A. M. G. and Können, G. P. (2003), Homogeneity of 20th century European daily temperature and precipitation series. Int. J. Climatol., 23: 679–692. doi: 10.1002/joc.906

Examples

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# standard normal homogeneity test, SD different from 1(SNHT) for Turin 1961-2003
testTurin<- SNHTabsoluteII(yearly.average.temperature.Turin.Milan[,2])

# standard normal homogeneity test, SD different from 1(SNHT) for Milan 1961-2003
testMilan<- SNHTabsoluteII(yearly.average.temperature.Turin.Milan[,3])

plot(1961:2002,testTurin,type='l',col='cyan',ylim=c(0,30),
main='standard normal homogeneity test (SNHT), SD different from 1 for 1961-2003',
xlab='Years',ylab='test value')
par(new=TRUE)
plot(1961:2002,testMilan,type='l',col='magenta',ylim=c(0,30),xlab='',ylab='')
legend("top",c('Turin','Milan'),text.col=c('cyan','magenta'))


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