I'm using QGIS 1.8. I have 3 files: a shapefile from a state, a CSV file with a common field with this shape file and a third file (CSV, with long/lat columns).

In this third file. I have a column 'id_customer'. The shapefile is a map of a state. And the file with a common column with the shapefile, has the income for various neighbourhoods. I want to link the customer file with the shape, and after link the customer to the income field.

Can anyone help me?


Use Join attributes by location for the spatial join and the Join tab in layer properties for the attribute join.

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