Is mobility more likely between locations that are identical on some attribute v? E.g., is mobility more likely between organisations that are located in the same region?
same_covariate(
dep.var = 1,
attribute.index,
state,
cache,
i,
j,
edge,
update,
getTargetContribution = FALSE
)
Returns the change statistic or target statistic of the effect for internal use by the estimation algorithm.