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@@ -201,6 +201,20 @@ Univariate statistics (<a href="r.univar.html">r.univar</a>) and
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reports are also available (<a href="r.report.html">r.report</a>,<a
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reports are also available (<a href="r.report.html">r.report</a>,<a
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href="r.stats.html">r.stats</a>, <a href="r.volume.html">r.volume</a>).
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href="r.stats.html">r.stats</a>, <a href="r.volume.html">r.volume</a>).
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+Since <a href="r.univar.html">r.univar</a> may be slow for extented
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+statistics these can be calculated using
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+<a href="r.stats.quantile.html">r.stats.quantile</a>. Without a zones input
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+raster, the <a href="r.quantile.html">r.quantile</a> module will be significantly
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+more efficient for calculating percentiles with large maps. For calculating
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+univariate statistics from a raster map based on vector polygon map and
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+upload statistics to new attribute columns, see
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+<a href="v.rast.stats.html">v.rast.stats</a>. Category or object
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+oriented statistics can be computed with <a href="r.statistics.html">r.statistics</a>.
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+For floating-point cover map support for this, see the alternative
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+<a href="r.stats.zonal.html">r.stats.zonal</a>. For quantile calculations
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+with support for floating-point cover maps, see the alternative
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+<a href="r.stats.quantile.html">r.stats.quantile</a>.
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+
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<h3>Raster map algebra and aggregation</h3>
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<h3>Raster map algebra and aggregation</h3>
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The <a href="r.mapcalc.html">r.mapcalc</a> command provides raster map
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The <a href="r.mapcalc.html">r.mapcalc</a> command provides raster map
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Markus Neteler