<div dir="ltr">Also, theres a utility in SAGA, implemented within the Processing toolbox. See SAGA -> Shapes - Grid -> Grid statistics for polygons<br><div class="gmail_extra"><br></div><div class="gmail_extra">Lets you calculate:<br></div><div class="gmail_extra">* Number of Cells<br></div><div class="gmail_extra">* Minimum<br></div><div class="gmail_extra">* Maximum<br></div><div class="gmail_extra">* Range<br></div><div class="gmail_extra">* Sum<br></div><div class="gmail_extra">* Mean<br></div><div class="gmail_extra">* Variance<br></div><div class="gmail_extra">* Standard Deviation<br></div><div class="gmail_extra">* Specified Quartiles<br><br></div><div class="gmail_extra">Hope that helps,<br></div><div class="gmail_extra">mike<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Apr 19, 2015 at 11:54 AM, Micha Silver <span dir="ltr"><<a href="mailto:micha@arava.co.il" target="_blank">micha@arava.co.il</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div>On 04/19/2015 12:34 PM, Johan Nilsson
wrote:<br>
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<blockquote type="cite">
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<div>
<div>Zonal statistics work well to extract, numers of
cells(counts) , sum of the value (sum) and also average
(mean) But I want the minimum AND max-value and also
standard error, if possible. Is there another plugin or a
tutorial how it may bee done in another way.<br>
<br>
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The GRASS module v.rast.stats does what you want. But it's not in
the Processing toolbox. You can import your raster into a GRASS
mapset then do the analysis directly within GRASS.<br>
<blockquote type="cite"><span class="">
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<div>The code to Zonal statistics are here, but I'm total lost
in how it work.<br>
<br>
<a href="https://github.com/qgis/QGIS/blob/a2f51260db5357917e86b78f1bb2915379d670dd/src/analysis/vector/qgszonalstatistics.cpp" target="_blank">https://github.com/qgis/QGIS/blob/a2f51260db5357917e86b78f1bb2915379d670dd/src/analysis/vector/qgszonalstatistics.cpp</a><br>
<br>
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/Cheers<br>
</div>
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