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climtrends (version 1.0.6)

SNHTrelativeDoubleShift: standard normal homogeneity test (SNHT) relative homogeneity test for two shifts

Description

SNHTrelativeDoubleShift returns the result of the standard normal homogeneity test (SNHT) relative homogeneity test for two shifts applied to a time series.

Usage

SNHTrelativeDoubleShift(dataSeries,refSeries=NA, diffFlag=TRUE)

Arguments

dataSeries
time series of climate data
refSeries
dataframe with climate data (reference)
diffFlag
logical TRUE=difference, FALSE=ratio

Value

SNHTdata
T SNHT relative homogeneity test for trends
PosSecondShift
estimated position of the second shift

Source

ALEXANDERSSON, H. and MOBERG, A. (1997), HOMOGENIZATION OF SWEDISH TEMPERATURE DATA. PART I: HOMOGENEITY TEST FOR LINEAR TRENDS. Int. J. Climatol., 17: 25–34. doi: 10.1002/(SICI)1097-0088(199701)17:1<25::aid-joc103>3.0.CO;2-J Tuomenvirta, H., 2002: Homogeneity testing and adjustment of climatic time series in Finland. Geophysica, 38(1-2), 15-41.

References

ALEXANDERSSON, H. and MOBERG, A. (1997), HOMOGENIZATION OF SWEDISH TEMPERATURE DATA. PART I: HOMOGENEITY TEST FOR LINEAR TRENDS. Int. J. Climatol., 17: 25–34. doi: 10.1002/(SICI)1097-0088(199701)17:1<25::aid-joc103>3.0.CO;2-J

Tuomenvirta, H., 2002: Homogeneity testing and adjustment of climatic time series in Finland. Geophysica, 38(1-2), 15-41.