The program -shp2dta- from SSC converts map shapefiles (SHP and DBF)
to Stata format. I have a question about the -genid(newvarname)-
option. What is the rule for the creation of these IDs? I want to be
certain that the IDs always identify the same geographic regions, no
matter how often -shp2dta- is run to convert the original shapefiles,
because I use the IDs to merge the map files with other data.
Friedrich
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