g.region raster=elevation -p r.quantile input=elevation percentiles=0.1,1,10,25,50,75,90,99,99.9
g.region raster=elevation -p r.quantile elevation quantiles=5 -r --quiet | r.recode elevation \ out=elev_quant5 rules=-
Last changed: $Date: 2018-10-16 11:41:38 +0200 (Tue, 16 Oct 2018) $