pointgridding | R Documentation |
This is an easier to use version of fastkriege
pointgridding( y = NULL, pointdata, modelgrid, variable = "y", trend_model = NULL, priorfield = FALSE, cov.pars )
y |
data matrix of point data to be gridded, alternative to giving |
pointdata |
SpatialPointsDataFrame of the spatial points |
modelgrid |
SpatialGrid or SpatialGridDataFrame of the output grid |
variable |
name of the variable in |
cov.par |
Kriging parameters, sigma^2, phi, tau^2. |
lonmin <- 19.0; lonmax <- 33.0 latmin <- 59.0; latmax <- 71.5 newgrid <- makelonlatgrid(lonmin=lonmin,lonmax=lonmax,latmin=latmin,latmax=latmax,londx=0.1,latdx=0.1) nobs <- 50 obs <- data.frame(longitude=runif(nobs,lonmin,lonmax), latitude=runif(nobs,latmin,latmax), temperature=rnorm(nobs,mean=10,sd=4)) sp::coordinates(obs) <- c('longitude','latitude') out <- pointgridding(pointdata=obs, modelgrid = newgrid, variable="temperature",cov.pars = c(0.5^2,2.0,0.0)) MOSplotting::MOS_plot_field(out,stations=obs,cmin=0,cmax=20)
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