QGIS: How to visualise according to amount of answers in one polygon?
Geographic Information Systems Asked by UniStudent on February 6, 2021
I am working with QGIS. I managed to join a CSV file to a layer containing zip codes. I would now like to visualise the zip code areas according to how many survey answers I have from that one zip code area. I can’t figure out how to do it. It did it once for me automatically, but I have no idea how.
The pictures demonstrates the shapefile of the zip codes and how many hits there might be from one zip code. I would like it to be darker where there are more answers and lighter where there are fewer.
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