Description Usage Arguments Details Value Author(s) Examples
Function that generates a spatial correlogram model, an object of class "SpatialCorrelogramModel".
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acf0 |
Aurocorrelation function value at distance near 0. Default is 1. Must fall in interval [0,1]. |
range |
Range parameter of the correlogram model component. |
model |
Model type, e.g. "Exp", "Sph", "Gau", "Mat" that vgm() accepts. See ?gstat::vgm() for more #' details. |
anis |
Anisotropy parameters. See ?gstat::vgm() for more details. |
kappa |
Smoothness parameter for the Matern class of variogram models. See ?gstat::vgm() for more #' details. |
add.to |
See ?gstat::vgm() (currently not in use) |
covtable |
See ?gstat::vgm() (currently not in use) |
Err |
Numeric. See ?gstat::vgm() for more details. |
For the spatial variables allowed autocorrelation functions are listed in Table 4.1 of the gstat manual (http://www.gstat.org/gstat.pdf). Spatial correlation assumes stationarity, i.e. correlation depends only on the separation distance between points in space. Anisotropy is allowed (http://www.gstat.org/gstat.pdf). No nested models are allowed in the current version.
An object of a class "SpatialCorrelogramModel". This is a list collating provided arguments.
Kasia Sawicka, Gerard Heuvelink
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