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You could use a mapping set P /P01 * P08/ Jn /Jn01 * Jn10/ Jm /Jm01 * Jm10/ mapN_M(Jn,Jm) /#Jn:#Jm/; display mapN_M; parameters p1(P,Jm) p2(P,Jn); p2(P,Jn) = uniform(0,10); loop((jn,jm)$mapN_M(jn,jm), p1(P,jm) = p2(P,jn); ); display p1, p2; For information on the mapping, see [url]https://www.gams.c...

Hi Barsssk You could use a setlocal or setglobal parameter at the beginning of your file. For example, if you want to have all your files in the directory results, which is below your model directory, I add: $setglobal results .\results\ * Send to results directory execute_unload "%results%myre...

Hi

Add "Trace = 3" at the end, and you will see if your import of data works well. If there are errors for all imported variables, your gdx file will not be created.

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Renger

Hi Laurent One way would be a batch file in a command window and the use of control variables. You would have something like this in your "run.bat" (something you could easily generate with a python or R script) call gams mymodel --scenario=BAU --regions=NORTH --years=2030 call gams mymode...

Hi
Add Trace = 3 at the end of your gdxxrw command and you will see if there are errors when importing the data.
I only see that you define Stk(yr,i,se) but in the table the order seems to be i,yr,se (or se,yr,i).
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Renger

Hi Faaiqah

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Renger