Hi @RobPratt,
First off thank you for your resoonse. Your solution worked perfectly when I ran with the sample data but when i expanded my input data to 1,251 unique patientgroups I am getting the below following error. What is that I am doing wrong? Please advice.
Thanks.
NOTE: Problem generation will use 2 threads. ERROR: A linear coefficient for constraint 'RiskErrorCon[Test]' is missing or invalid. ERROR: A linear coefficient for constraint 'RiskErrorCon[Control]' is missing or invalid. NOTE: The problem has 2526 variables (0 free, 0 fixed). NOTE: The problem uses 3 implicit variables. NOTE: The problem has 2502 binary and 0 integer variables. NOTE: The problem has 1265 linear constraints (0 LE, 1265 EQ, 0 GE, 0 range). NOTE: The problem has 18332 linear constraint coefficients. NOTE: The problem has 0 nonlinear constraints (0 LE, 0 EQ, 0 GE, 0 range). NOTE: The OPTMODEL presolver is disabled for linear problems. NOTE: Unable to create problem instance due to previous errors.
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