jacobian_arma: Calculates the Jacobian for the ARMA process

Description Usage Arguments Value Author(s)

View source: R/RcppExports.R

Description

Take the numerical derivative for the first derivative of an ARMA using the 2 point rule.

Usage

1
jacobian_arma(theta, p, q, tau)

Arguments

theta

A vec that contains all the parameter estimates.

p

A int that indicates the number of AR coefficients

q

A int that indicates the number of MA coefficients.

tau

A vec containing the scales e.g. 2^tau

Value

A mat that returns the first numerical derivative of the ARMA process.

Author(s)

James Joseph Balamuta (JJB)


SMAC-Group/gmwm documentation built on Sept. 11, 2021, 10:06 a.m.