QGIS: Symbology: Create Tercil for all values > 0 and tercil for all values< 0
Geographic Information Systems Asked by Felix Bühler on June 13, 2021
I have a layer with multiple polygons each with a number of the commuter balance. You can see the histogram below (1st pic). I now want to symbolize this data.
I want a tercile calculation for all values < 0 and have 3 different red colors for it and a separate tercil calculation for all values > 0 and have 3 differenz green colors for it.
With the given algorithms it always includes 0 somewhere in the middle of the class breaks.
So preferably something like in the second image (the breaks here are just done by hand)
Is there any possibility beside split the layer apart and do two separate calculations?
One Answer
If you set your layer styling to Graduated, your Mode to Equal Interval, check the Symmetric Classification button setting it Around Zero with a Red,White,Green color ramp (not ideal for those with color blindness) I think you can achieve what you want.
Answered by Baswein on June 13, 2021
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