somgrid {class}
Plot SOM Fits
Description
Plotting functions for SOM results.
Usage
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, ...))
Arguments
- xdim, ydim
- dimensions of the grid
- topo
- the topology of the grid.
- x
- an object inheriting from class
"somgrid"or"SOM". - type, ...
- graphical parameters.
Details
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.
Values
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
somgrid.
References
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.
Documentation reproduced from package class, version 7.3-7. License: GPL-2 | GPL-3