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
regionscode(mapping = NULL, label = FALSE, strict = TRUE)
Either a path to a mapping or an already read-in mapping as data.frame. If set to NULL (default) the regionscode of the region mapping set in the madrat config will be returned.
logical deciding whether the corresponding label of a regionscode should be returned instead of the regionscode.
If set to TRUE region mappings with mapping to ISO countries with exactly 2 columns or more than 2 colums (if the first colum contains irrelevant information which will be deleted automatically) will be accepted. In this case data will be transformed and even cases with different ordering will yield the same regionscode. If set to FALSE all these checks will be ignored and the regionscode will be just computed on the object as it is. Please be aware the regionscode will differ with strict mode on or off!
A md5-based regionscode which describes the given mapping or, if
and a corresponding label is available, the label belonging to the regionscode
Jan Philipp Dietrich
file <- system.file("extdata", "regionmappingH12.csv", package = "madrat")
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