GPdrv2: GPdrv2 function

In lgcp: Log-Gaussian Cox Process

GPdrv2 function

Description

A function to compute the second derivative of the log target with respect to the paramters of the latent field. Not intended for general purpose use.

Usage

GPdrv2(
  GP,
  prior,
  Z,
  Zt,
  eta,
  beta,
  nis,
  cellarea,
  spatial,
  gradtrunc,
  fftgrid,
  covfunction,
  d,
  eps = 1e-06
)

Arguments

GP	an object of class GPrealisation
prior	priors for the model
Z	design matirix on the FFT grid
Zt	transpose of the design matrix
eta	vector of parameters, eta
beta	vector of parameters, beta
nis	cell counts on the extended grid
cellarea	the cell area
spatial	the poisson offset
gradtrunc	gradient truncation parameter
fftgrid	an object of class FFTgrid
covfunction	the choice of covariance function, see ?CovFunction
d	matrix of toral distances
eps	the finite difference step size

Value

first and second derivatives of the log target at the specified paramters Y, eta and beta

lgcp documentation built on Oct. 3, 2023, 5:08 p.m.