#873: r.univar: allow percentile= to be doubles -----------------------------+---------------------------------------------- Reporter: hamish | Owner: [email protected] Type: enhancement | Status: new Priority: major | Milestone: 6.5.0 Component: Raster | Version: svn-develbranch6 Keywords: r.univar, stats | Platform: All Cpu: All | -----------------------------+---------------------------------------------- Hi,
for `r.univar` it is useful to have sub-integer percentile output, e.g. for calculating confidence intervals/sigma at 68.2689%, 95.45%, and 99.73%. Currently `r.univar` only accepts whole integers for the percentile=. Actually it's worse: it accepts floats on the command line but they quietly get truncated into integers.(!) see http://article.gmane.org/gmane.comp.gis.grass.user/20744 currently `r.colors.stddev` is hit by this and probably anyone doing stats on map values. the attached patch (vs. 6.5svn) attempts to fix this. please review. R-bridge users please compare with R's answers. {{{ #spearfish g.region rast=elevation.10m r.univar elevation.10m perc=68,68.2689,95,95.45,99,99.73 -e }}} Hamish -- Ticket URL: <https://trac.osgeo.org/grass/ticket/873> GRASS GIS <http://grass.osgeo.org>
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