init_param {phenofit} | R Documentation |
init_param
Description
Initialize parameters of double logistic function
Usage
init_param(y, t, w, type = 1L)
init_Zhang(e, type = 1L, ...)
init_AG(e, type = 1L, ...)
init_AG2(e, type = 1L, ...)
init_Beck(e, type = 1L, ...)
init_Elmore(e, type = 1L, ...)
init_Gu(e, type = 1L, ...)
init_Klos(e, type = 1L, ...)
Arguments
y |
Numeric vector, vegetation index time-series |
t |
Numeric vector, |
w |
(optional) Numeric vector, weights of |
type |
integer,
|
e |
The object returned by |
... |
Others will be ignored. |
Examples
library(phenofit)
# simulate vegetation time-series
fFUN = doubleLog.Beck
par = c(
mn = 0.1,
mx = 0.7,
sos = 50,
rsp = 0.1,
eos = 250,
rau = 0.1)
t <- seq(1, 365, 8)
tout <- seq(1, 365, 1)
y <- fFUN(par, t)
l_param <- init_param(y, t)
[Package phenofit version 0.3.10 Index]