Function to create a "Fuzzy" distance
The fuzzy distance function is based on a fuzzy partition that allows for integrating expert knowledge into distance calculations
To be used with the Zoning attribute_distance field
Usage
FuzzyDistance(fisin)
Value
Fuzzy distance object
Arguments
fisin
FisPro::FisIn object, The partition used for the fuzzy distance (must be a standardized fuzzy partition)