gsi.calcCgram | R Documentation |
internal function to compute the variogram model for all combinations of two
gsi.calcCgram(X, Y, vgram, ijEqual = FALSE)
X |
matrix, coordinates of the first set of locations |
Y |
matrix, coordinates of the first set of locations (often Y=X, and ijEqual=TR) |
vgram |
covariogram model, of format "gmCgram" |
ijEqual |
logical, are X==Y? if you put TRUE, the function will only compute half of the points, so be sure that this is right! |
a matrix of elements of the covariance, in NxM blocks of DxD elements (being N and M resp. the nr. of rows of X and Y, and D the nr of variables)
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