GeoSOM-grid related functions — geosomgrid • geosom

Set up a grid of units, of a specified size and topology.Wrapper of kohonen::somgrid.

Usage

geosomgrid(
  xdim,
  ydim,
  topo = "hexagonal",
  neighbourhood.fct = "gaussian",
  toroidal = FALSE
)

Arguments

xdim: X dimensions of the grid
ydim: Y dimensions of the grid.
topo: (optional)Choose between a hexagonal or rectangular topology,default is hexagonal.
neighbourhood.fct: (optional)Choose between bubble and gaussian neighbourhoods when training a GeoSOM."bubble" or "gaussian"(default).
toroidal: (optional)Logical, whether the grid is toroidal or not.Default is FALSE.

Value

An object of class "somgrid", with elements pts, and the input arguments to the function.

Author

Wenbo Lv lyu.geosocial@gmail.com