How to measure variable contribution to an observation in a non-linear model?












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Based on my model, if I decline someone due to their score, it should be able to provide some reasoning as to which variables mainly contributed to the decision to decline.



Typically in Logistic Regression models, this is a simple exercise where you calculate (Beta * X) for each variable and pick 1 or 2 variables which caused the biggest score drop.



However, this isn't very straightforward for non-linear models. I would appreciate any ideas on handling something like this. Thanks.










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    0












    $begingroup$


    Based on my model, if I decline someone due to their score, it should be able to provide some reasoning as to which variables mainly contributed to the decision to decline.



    Typically in Logistic Regression models, this is a simple exercise where you calculate (Beta * X) for each variable and pick 1 or 2 variables which caused the biggest score drop.



    However, this isn't very straightforward for non-linear models. I would appreciate any ideas on handling something like this. Thanks.










    share|improve this question









    $endgroup$




    bumped to the homepage by Community 18 mins ago


    This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.


















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      0





      $begingroup$


      Based on my model, if I decline someone due to their score, it should be able to provide some reasoning as to which variables mainly contributed to the decision to decline.



      Typically in Logistic Regression models, this is a simple exercise where you calculate (Beta * X) for each variable and pick 1 or 2 variables which caused the biggest score drop.



      However, this isn't very straightforward for non-linear models. I would appreciate any ideas on handling something like this. Thanks.










      share|improve this question









      $endgroup$




      Based on my model, if I decline someone due to their score, it should be able to provide some reasoning as to which variables mainly contributed to the decision to decline.



      Typically in Logistic Regression models, this is a simple exercise where you calculate (Beta * X) for each variable and pick 1 or 2 variables which caused the biggest score drop.



      However, this isn't very straightforward for non-linear models. I would appreciate any ideas on handling something like this. Thanks.







      machine-learning score collinearity






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      asked Jan 16 at 16:55









      rayven1lkrayven1lk

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      466





      bumped to the homepage by Community 18 mins ago


      This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.







      bumped to the homepage by Community 18 mins ago


      This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
























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          Try LIME. In other words, compute local representation of your global highly nonlinear model for a given observation. This local proxy should be simple enough to be explainable as well. Decision trees or simple linear regressions are good choices.






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            $begingroup$

            Try LIME. In other words, compute local representation of your global highly nonlinear model for a given observation. This local proxy should be simple enough to be explainable as well. Decision trees or simple linear regressions are good choices.






            share|improve this answer









            $endgroup$


















              0












              $begingroup$

              Try LIME. In other words, compute local representation of your global highly nonlinear model for a given observation. This local proxy should be simple enough to be explainable as well. Decision trees or simple linear regressions are good choices.






              share|improve this answer









              $endgroup$
















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                $begingroup$

                Try LIME. In other words, compute local representation of your global highly nonlinear model for a given observation. This local proxy should be simple enough to be explainable as well. Decision trees or simple linear regressions are good choices.






                share|improve this answer









                $endgroup$



                Try LIME. In other words, compute local representation of your global highly nonlinear model for a given observation. This local proxy should be simple enough to be explainable as well. Decision trees or simple linear regressions are good choices.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Jan 17 at 3:09









                user2280549user2280549

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