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Using CPLEX in R: Installing cplexAPI in Windows 10

January 26, 2017
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Using CPLEX in R: Installing cplexAPI in Windows 10

I have a very large mixed integer problem to solve.   COIN‘s solver accessed through Rsymphony did a decent job, but had trouble finding feasible solutions.  I had been told that the IBM cplex  solver was the best on the market for mixed integer programming. Installing cplex is a relatively easy task.  The difficulties began when I … Continue reading Using...

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Subset and Fill via an Index

January 4, 2017
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Subset and Fill via an Index

Jason Holderieath January 4, 2017 I had a very large (70,000+ columns) problem that I needed to reduce. A function took two matrices and transformed them into a single vector the length as the two inputs. I needed to reduce the inputs and then map the output back to the original position of the corresponding … Continue reading Subset...

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