metric-2d {asreml} | R Documentation |
Metric based variance model functions in two dimensions.
iexp(x, y, init=NA) iexpv(x, y, init=NA) iexph(x, y, init=NA) aexp(x, y, init=NA) aexpv(x, y, init=NA) aexph(x, y, init=NA) igau(x, y, init=NA) igauv(x, y, init=NA) igauh(x, y, init=NA) agau(x, y, init=NA) agauv(x, y, init=NA) agauh(x, y, init=NA) ieuc(x, y, init=NA) ieucv(x, y, init=NA) ieuch(x, y, init=NA) ilv(x, y, init=NA) ilvv(x, y, init=NA) ilvh(x, y, init=NA) sph(x, y, init=NA) sphv(x, y, init=NA) sphh(x, y, init=NA) cir(x, y, init=NA) cirv(x, y, init=NA) cirh(x, y, init=NA)
x |
An object in |
y |
An object in |
init |
An optional vector of initial values (power parameters followed by
variance parameters) with an optional |
Includes two two dimensional isotropic exponential, gaussian,
euclidean, linear variance, spherical and circular power models
(iexp
, igau
, ieuc
, ilv
, sph
,
cir
), anisotropic exponential and gaussian models
(aexp
, agau
) and the Matern class
(mtrn
).
asr_iexpv
: Homogeneous variance form.
asr_iexph
: Heterogeneous variance form.
asr_aexp
: Anisotropic exponential variance model.
asr_aexpv
: Anisotropic exponential variance model,
homogeneous variance form.
asr_aexph
: Anisotropic exponential variance model,
heterogeneous variance form.
asr_igau
: Isotropic Gaussian variance model.
asr_igauv
: Isotropic Gaussian variance model,
homogeneous variance form.
asr_igauh
: Isotropic Gaussian variance model,
heterogeneous variance form.
asr_agau
: Anisotropic Gaussian variance model.
asr_agauv
: Anisotropic Gaussian variance model,
homogeneous variance form.
asr_agauh
: Anisotropic Gaussian variance model,
heterogeneous variance form.
asr_ieuc
: Isotropic Euclidean variance model.
asr_ieucv
: Isotropic Euclidean variance model,
homogeneous variance form.
asr_ieuch
: Isotropic Euclidean variance model,
heterogeneous variance form.
asr_ilv
: Isotropic linear variance model.
asr_ilvv
: Isotropic linear variance model,
homogeneous variance form.
asr_ilvh
: Isotropic linear variance model,
heterogeneous variance form.
asr_sph
: Spherical variance model.
asr_sphv
: Spherical variance model,
homogeneous variance form.
asr_sphh
: Spherical variance model,
heterogeneous variance form.
asr_cir
: Circular variance model.
asr_cirv
: Circular variance model,
homogeneous variance form.
asr_cirh
: Circular variance model,
heterogeneous variance form.