LLFD: Concentrated Loglikelihood Function for d

Description Usage Arguments Value Author(s) See Also Examples

Description

The concentrated loglikelihood, that is, the loglikelihood function maximized over the innovation variance parameter, is computed.

Usage

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LLFD(d, z)

Arguments

d

fractional difference parameter

z

time series

Value

the value of the loglikelihood

Author(s)

A. I. McLeod

See Also

GetFitFD

Examples

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#compute loglikelihood for NileFlowCMS with 
#  H=0.9 and with d=H-0.5=0.4
data(NileFlowCMS)
z<-NileFlowCMS
z<-z-mean(z)
LLFGN(0.9, z)
LLFD(0.4, z)

FGN documentation built on May 30, 2017, 7:19 a.m.