xneig4 {bayess} | R Documentation |
Number of neighbours with the same colour
Description
This is a basis function used in simulation algorithms on the Ising
and Potts models. It counts how many of the four neighbours
of are of the same colour as this
pixel.
Usage
xneig4(x, a, b, col)
Arguments
x |
grid of coloured pixels |
a |
row index |
b |
column index |
col |
current or proposed colour |
Value
integer between 0 and 4 giving the number of neighbours with the same colour
See Also
Examples
data(Laichedata)
xneig4(Laichedata,2,3,1)
xneig4(Laichedata,2,3,0)
[Package bayess version 1.6 Index]