climtrends (version 1.0.6)

PettittTest: Pettitt test

Description

PettittTest returns the result of the Pettitt test applied to a time series.

Usage

PettittTest(dataSeries)

Arguments

dataSeries

time series of climate data

Value

The result of the Pettitt test.

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

# Pettitt range test for Turin 1961-2003
PettittTurin<- PettittTest(yearly.average.temperature.Turin.Milan[,2])

# Pettitt range test for Milan 1961-2003
PettittMilan<- PettittTest(yearly.average.temperature.Turin.Milan[,3])

plot(1961:2003,PettittTurin,type='l',col='cyan',ylim=c(-400,0),
main='Pettitt range test 1961-2003',xlab='Years',ylab='Pettitt value')
par(new=TRUE)
plot(1961:2003,PettittMilan,type='l',col='magenta',ylim=c(-400,0),xlab='',ylab='')
legend("top",c('Turin','Milan'),text.col=c('cyan','magenta'))