Hello all, I am student in my final year, and for my dissertation, i am looking at rainfall data since 1900 in the UK... I have all of this data on an Excel File. I would now like to create a Cholopleth map with this data, if humanly possible. As far as i am aware, i need to create an ODBC source then reformat the data, then connect it from Arc Cat. I have created the ODBC file but reformatting it did not work. Any ideas on how to create this Cholopleth map? p.s The data i have is Monthly data from 1900.
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