index.annual.cycle.filtered: Filtered annual cycle maxima statistics

In SantanderMetGroup/R_VALUE: Climate data validation in the framework of the COST action VALUE

Filtered annual cycle maxima statistics

Description

Returns the amplitude or the location of the maxima of the annual cycle

Usage

index.annual.cycle.filtered(ts, dates, type = "phase", peak = 1,
  thresh = 0.1)

Arguments

ts	A vector containing the data
dates	A character (or POSIXct) vector following the format “YYYY-MM-DD” (i.e., format = "%Y-%m-%d" as in strptime). This is directly passed by the VALUE objects (either stations or predictions) through the element object$Dates$start.
type	A character string indicating max "phase" (days, default), "amp" (amplitude) or "amprel" (relative amplitude)
peak	= 1 or 2 (maximum or secondary maximum - higher order peaks are ignored)
thresh	Threshold that defines weak and double maxima (relative to amplitude of annual cycle)

Value

A float number corresponding to the amplitude or the (phase) day of the maxima

Author(s)

D. Maraun, J. Bedia, D. San-Martin, J.M. Gutierrez

SantanderMetGroup/R_VALUE documentation built on July 4, 2023, 4:27 a.m.