I want to calculate the 75th percentile value of a raster dataset (floating, 32Bit) and use this value as an input to a set null expression. I have multiple rasters to perform this on so I need to automate the calculation of the 75th percentile value otherwise a manual quantile classification would have worked to find this value.

How do I calculate this percentile value in ModelBuilder (using: calculate value tool, python, numpy?)

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