[Qgis-user] question about statistical analysis and histograms
azzurralentini at gmail.com
Tue Jan 5 04:04:11 PST 2021
many thanks for your reply. I have used the tool and it works very well.
Thanks again. Azzurra
On Sat, 2 Jan 2021 at 17:19, chris hermansen <clhermansen at gmail.com> wrote:
> Azzurra and list,
> On Sat, Jan 2, 2021, 08:07 Azzurra Lentini <azzurralentini at gmail.com>
>> Hi to all,
>> I am using Qgis 3.16.1.
>> I have a shape file of polygons of different zones classified by type of
>> vegetation (so each polygon has different type of vegetation and these
>> polygons have different surface). Each type of vegetation has a code
>> (string type: letters and numbers), so the field of type vegetation has
>> data type string (text).
>> I need to understand which kind of vegetation is more frequent (which
>> type of vegetation occupies a greater areal extension) and I would like to
>> do a histogram that shows the result.
> I think you want the Vector Layer Histogram tool for this. I haven't used
> it myself but from what I read it should do the job. I imagine you'll need
> to add your area to the DBF.
> An alternative is to add the area to the DBF and import the DBF into your
> favourite spreadsheet program. This would give you access to other
> statistical tools.
Lecturer GIS University "Roma Tre"
Consultant Environmental Risk Prevention and Hydrogeology
Italy Mobile Tel.: **(39) 338 24 40 676
*azzurralentini at gmail.com <azzurralentini at gmail.com>*
*azzurra.lentini at uniroma3.it <azzurra.lentini at uniroma3.it> *
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