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obtain multiple solutions from the solution pool #77

jeffreyhanson opened this Issue Apr 25, 2018 · 1 comment


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jeffreyhanson commented Apr 25, 2018

The R package distributed with Gurobi version 8 now lets R users extract solutions from the solution pool ( I think it would be great if we could add this functionality to prioritizr.

I see two potential ways for adding this functionality:

  1. We could add a logical pool parameter to the add_gurobi_solver function. If TRUE, then multiple solutions are returned. I'm not sure if I like this approach because currently all functionality for creating/handling multiple solutions is specified in the portfolio functions.
  2. We could add a add_pool_portfolio function to specify that solutions should be returned from the solution pool. I think this approach is more consistent with the current approach. However, this portfolio function would only work when the Gurobi solver is specified.

What do people think?


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ricschuster commented Apr 26, 2018

This would be a great addition.
I'm for option 2. We can just note in the documentation that this function only works with Gurobi.

Thanks Jeff!

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