[Qgis-user] Creating cross tables

[Dr. F. Patrick Graz]

Hi folks,
I would like to create a cross table between raster maps, but can't seem to
find a way to do this. 

I have a raster map (in GRASS) that contains a number of properties. I also
have vegetation biomass data for x numbers of years (also in GRASS).

I would now like to calculate the average biomass for each property, for
each year. 

So far I have not found the right command to do this job - or I have been
using the wrong syntax.

Any suggestions are welcome.

Patrick

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Dr. F. Patrick Graz
Snr. Researcher, 
Multidisciplinary Research Centre, 
University of Namibia