GetInfoHomogenization
calculates the SNHT or other method
of homogenization and returns useful info such as the year of change,
To value, adjust value and more.
GetInfoHomogenization(dataYearSeries=NA,refYearSeries=NA,nYears=20,
diffFlag=TRUE,returnData=FALSE, homogenization=SNHTabsolute,
levelSignificance=c(99,95),criticalValues=climtrends::SNHT.Critical.Values)