ReturnLevelClimatology: Climatology of Return Levels
In MartinRoth/knmipluim: Return Levels for KNMI pluim

Climatology of Return Levels

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ReturnLevelClimatology(data, var, type, windowSize = 15L,
  returnPeriod = c(2, 5, 10, 25, 50, 100), kLoc = 10, kScale = 10,
  kShape = 0L)

`data`	data (needs date and variable field)
`var`	string variable e.g. tx
`type`	string c('max', 'min')
`windowSize`	integer
`returnPeriod`	vector return period
`kLoc`	knots for location (0 is fixed)
`kScale`	knots for scale (0 is fixed)
`kShape`	knots for shape (0 is fixed)