View source: R/vecchia_prediction.R
vecchia_prediction | R Documentation |
Vecchia prediction
vecchia_prediction( z, vecchia.approx, covparms, nuggets, var.exact, covmodel = "matern", return.values = "all" )
z |
observed data |
vecchia.approx |
a vecchia object as generated by vecchia_specify() |
covparms |
covariance parameters as a vector |
nuggets |
nugget |
var.exact |
should prediction variances be computed exactly, or is a (faster) approximation acceptable |
covmodel |
covariance model, 'matern' by default. |
return.values |
either 'mean' only, 'meanvar', 'meanmat', or 'all' |
posterior mean and variances at observed and unobserved locations; V matrix
z=rnorm(5); locs=matrix(1:5,ncol=1); vecchia.approx=vecchia_specify(locs,m=3,locs.pred=locs+.5) vecchia_prediction(z,vecchia.approx,covparms=c(1,2,.5),nuggets=.2)
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