Methods for Neighbor objects for generics defined in
other packages
# S3 method for class 'Neighbor'
dim(x)
# S4 method for class 'Neighbor'
show(object)A Neighbor object
dim Dimensions of the indices matrix
show: Prints summary to stdout and
invisibly returns NULL
dim(Neighbor): Dimensions of the neighbor indices
show(Neighbor): Overview of a Neighbor object