f_goal2: objective function of double logistics

In phenofit: Extract Remote Sensing Vegetation Phenology

objective function of double logistics

Description

objective function of double logistics

Usage

f_goal2(par, fun, y, t, pred, w = NULL, ylu = NULL, ...)

Arguments

par	A vector of parameters
fun	A curve fitting function, can be one of doubleAG, doubleLog.Beck, doubleLog.Elmore, doubleLog.Gu, doubleLog.Klos, doubleLog.Zhang, see Logistic() for details.
y	Numeric vector, vegetation index time-series
t	Numeric vector, Date variable
pred	Numeric Vector, predicted values
w	(optional) Numeric vector, weights of y. If not specified, weights of all NA values will be wmin, the others will be 1.0.
ylu	[ymin, ymax], which is used to force ypred in the range of ylu.
...	others will be ignored.

phenofit documentation built on Feb. 16, 2023, 6:21 p.m.