Summarizing the GRF’s correlation structure

variog_bin <- variog(
  coords = parana$coords, 
  data = parana$data, 
  max.dist = 400
)

str(variog_bin[c("u", "v")])

## List of 2
##  $ u: num [1:13] 15.4 46.1 76.9 107.7 138.4 ...
##  $ v: num [1:13] 646 672 915 1245 1562 ...