Given a regionmapping (mapping between ISO countries and regions) the function calculates a regionscode which is basically the md5sum of a reduced form of the mapping. The regionscode is unique for each regionmapping and can be used to clearly identify a given regionmapping. In addition several checks are performed to make sure that the given input is a proper regionmapping
Either a path to a mapping or an already read-in mapping as data.frame.
A md5-based regionscode which describes the given mapping
Jan Philipp Dietrich
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