metric-1d {asreml} | R Documentation |
Metric based variance model functions in one dimension.
exp(x, init=NA, dist=NA) expv(x, init=NA, dist=NA) exph(x, init=NA, dist=NA) gau(x, init=NA, dist=NA) gauv(x, init=NA, dist=NA) gauh(x, init=NA, dist=NA) lvr(x, init=NA, dist=NA) lvrv(x, init=NA, dist=NA) lvrh(x, init=NA, dist=NA)
x |
An object in |
init |
An optional vector of initial values (power parameters followed by
variance parameters) with an optional |
dist |
Optional numeric vector of coordinates (distances). If missing then
the distances are obtained as |
Includes one dimensional exponential, gaussian and linear variance
power models (exp
, gau
, lvr
).
asr_expv
: Homogeneous variance form.
asr_exph
: Heterogeneous variance form.
asr_gau
: Gaussian power model.
asr_gauv
: Gaussian power model, homogeneous variance form.
asr_gauh
: Gaussian power model, heterogeneous variance form.
asr_lvr
: Linear variance model.
asr_lvrv
: Linear variance model, homogeneous variance form.
asr_lvrh
: Linear variance model, heterogeneous variance form.