Hi everybody,
Newby on the forum and with sas, I would like to do a regression for exemple :
model car_solded = earn population
After I would like plot the results and residues on the same graph but depending on time. But I have the problem below:
ERROR: A variable was specified in the PLOT statement which is not specified in a VAR or
MODEL statement
The complete example is below:
proc reg data=data.data_used;
title 'regression lineaire';
model car_solded = earn population /r p;
plot r.*Time;
run;
Could someone helping me.
Thanks a lot
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