The following is a simple mixed integer programming problem. Details can be found in Example 3.8 in the "Examples" section. data; input _row_ $10. choco gumdr ichoco igumdr _type_ $ _rhs_; datalines; ...
To continue with the solution of this problem, invoke PROC LP with the ACTIVEIN= and PRIMALIN= options and reset the IMAXIT= option. This restores the branch and bound tree and simplifies calculating ...
This article presents a new method for optimal matching in observational studies based on mixed integer programming. Unlike widely used matching methods based on network algorithms, which attempt to ...
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