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Shannon entropy is calculated for each pixel based on it's layer values. To be used with categorical / integer valued rasters.

rasterEntropy(img, ...)

RasterStack or RasterBrick

additional arguments passed to writeRaster

RasterLayer "entropy"

Entropy is calculated as -sum(p log(p)); p being the class frequency per pixel.

# NOT RUN { data(rlogo) re <- rasterEntropy(rlogo) ggR(re, geom_raster = TRUE) # }

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