Dear Researcher,
I have a shapefile with two columns "a" and "b" and I wish to subtract a-b
to obtain a new column of difference. I tried in SAGA + R with the module
"Table calculator for shapes". This worked without an error, but it didn't
save the results either. I suspect that this is a bug in the SAGA module.
Is there an another code or packages (without GRASS+R) to do operation with
shapefile?
Thanks
Ale
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