[QGIS-Developer] Quantile (Equal Count) broken or is data borked?

[Nyall Dawson]

On Sat, 2 Mar 2019 at 17:41, Richard Duivenvoorde <rdmailings at duif.net> wrote:
>
> Hi,
>
> I've been asked to see if I can add 'logarithmic' breaks to the
> GraduatedSymbolRenderer.
> I am right that it is missing, yes?
>
> BUT: looking into current code and testing the available break modes I
> happen to look at the Quantile (Equal Count) one with a random dataset I
> had around:
>
> https://duif.net/temp/QuantileEqualCount.png
>
> Using more classes makes it even worse:
>
> https://duif.net/temp/QuantileEqualCount2.png

I can't reproduce. Maybe data set dependant?

> ps cannot share the data yet... would be cool if there was a processing
> algorithm called 'randomize points' or so :-)

There was this: https://github.com/SpatialVision/differential_privacy,
but it's QGIS 2.x only (looks trivial to port though). Otherwise run
"Geometry by expression", and set the geometry to
make_point(randf(1,100),randf(1,100))

Nyall