get_coma | R Documentation |
Create a co-occurrence matrix (coma)
get_coma(x, neighbourhood = 4, classes = NULL)
x |
A matrix with categories |
neighbourhood |
The number of directions in which cell adjacencies are considered as neighbours: 4 (rook's case) or 8 (queen's case). The default is 4. |
classes |
A vector or a list with the values of selected classes from the |
A co-occurrence matrix
#library(comat)
data(raster_x, package = "comat")
com = get_coma(raster_x)
com
com2 = get_coma(raster_x, classes = c(1, 3))
com2
data(raster_x_na, package = "comat")
com3 = get_coma(raster_x_na, classes = c(0:3, NA))
com3
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