[R] Q on spatial package
yanyu at cs.ucla.edu
Thu Apr 17 08:44:40 CEST 2003
I would like to compute covariance or variogram matrix on some data
"expcov" or "variogram" function basically give me a big look up table,
say map covariance value to some lag distance..
I suppose one way to get the covariance matrix is to first generate a fine
grained lookup table, when i need a covariance value for some distance
value, I can look in the big lookup table, find the closet match??
It is sort of a tedious job even if i write some program to do it..
I am wondering is there some built in functionality to acheive that?
Or is there an easier way to generate covariance matrix??
any suggestions is appreciated,
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