I need to perform an OLS (Ordinary Least Squares) but ArcGIS asks for a unique ID field. I have a field which would be the right candidate, it's a FIPS number (12 chars), which I have made a number, and text in Excel to no avail. OLS does not work without it...
How can I make it a legal Unique ID field?
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How can I make it a legal Unique ID field?
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