Dear Alessandro,
it would be easier to give you a constructive answer if you provided at
least the code that you used.
The SAGA module that you mention does not (yet) have a front-end
function in the RSAGA package, so I assume that you are using the
low-level rsaga.geoprocessor function, whi
Hi all and thanks for help,
I have a shapefile "canopy_height.shp" with two column "a" and "b". I wish
to do a-b and to obtain a third column ("a-b"). I am using the R+SAGA
module: "Table calculator for shapes", and all run good, but when I open the
shape-file after (in ARCMAP) I don't see the