[GRASS-user] raster boxplots wrong assignment

[sibylle.stoeckli at gmx.ch]

Dear community

 

I am still wondering, if the r.boxplot addon is working with just a limited
number of areass/sites/regions?

 

Kind regards

Sibylle

 

From: sibylle.stoeckli at gmx.ch <sibylle.stoeckli at gmx.ch> 
Sent: Saturday, May 25, 2024 3:48 PM
To: 'grass-user at lists.osgeo.org' <grass-user at lists.osgeo.org>
Subject: raster boxplots wrong assignment

 

Dear community

 

I would like to plot boxplots from a raster _pres_apple_spring_merged  for
different 1 km2 squares (38 squares, Fig. 1, layer “Untersuchungsquadrate”).
I was using the same code as used before for 12 regions:

https://ecodiv.earth/post/drawing-boxplots-of-raster-values/ (Author Paulo
van Breugel). All layers have the same projection (EPSG:2056, CH1903+/LV95).
However, when loading the layer squares (Untersuchungsquadrate) GRASS GIS
was asking for reprojection.

 

*	I got now a warning message, that I have a lot of categories,
however, the modelling time was fast (Fig 2)
*	The error is now, that the boxplot is not showing all squares  (e.g.
ID_Quadrat 803174) and the boxplots are assigned to the wrong square
(ID_Quadrat) (Fig. 3)

 

Kind regards

Sibylle Stöckli

 

Fig. 1

 



 

Fig. 2

 



 

Figure 3

 



 

 

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