somgrid {class} | R Documentation |
Plotting functions for SOM results.
somgrid(xdim = 8, ydim = 6, topo = c("rectangular", "hexagonal")) ## S3 method for class 'somgrid' plot(x, type = "p", ...) ## S3 method for class 'SOM' plot(x, ...)
xdim, ydim |
dimensions of the grid |
topo |
the topology of the grid. |
x |
an object inheriting from class |
type, ... |
graphical parameters. |
The class "somgrid"
records the coordinates of the grid to be
used for (batch or on-line) SOM: this has a plot method.
The plot method for class "SOM"
plots a stars
plot of the representative at each grid point.
For somgrid
, an object of class "somgrid"
, a list with
components
pts |
a two-column matrix giving locations for the grid points. |
xdim, ydim, topo |
as in the arguments to |
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.