get_wecoma {comat} | R Documentation |
Create a weighted co-occurrence matrix (wecoma)
get_wecoma( x, w, neighbourhood = 4, classes = NULL, fun = "mean", na_action = "replace" )
x |
A matrix with categories |
w |
A matrix with weights |
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 |
fun |
Function to calculate values from adjacent cells to contribute to output matrix, |
na_action |
Decides on how to behave in the presence of missing values in |
A weighted co-occurrence matrix
library(comat) data(raster_x, package = "comat") data(raster_w, package = "comat") wom = get_wecoma(raster_x, raster_w) wom get_wecoma(raster_x, raster_w, classes = list(c(1, 3)))