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How to re-train a model with new data in Marketing context


Python: Handling imbalance Classes in python Machine LearningCompressing profiles with a large number of dimensionsPredicting contract churn/cancellation: Great model results does not work in the real worldhow to retrain model with periodic new features?How to evaluate data capability to train a model?Train new data to pre-trained modelCan we calculate propensity score individually?Training dataset decreasing in quality (Google data science blog)Is it ok to train the model only on the interested part of the data?How important is the input data for a ML model?













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$begingroup$


If I develop and then deploy a model for Marketing like customer churn and then take actions based on the results of this model, how can I retrain the model some months later?



I think that the results on the past will be biased by my actions guided by the same model that I want to retrain. Is this so? Should I keep a percentage of customer apart as the control group and use only those as input records for the retraining?










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$endgroup$
















    0












    $begingroup$


    If I develop and then deploy a model for Marketing like customer churn and then take actions based on the results of this model, how can I retrain the model some months later?



    I think that the results on the past will be biased by my actions guided by the same model that I want to retrain. Is this so? Should I keep a percentage of customer apart as the control group and use only those as input records for the retraining?










    share|improve this question







    New contributor




    Matteo Felici is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.







    $endgroup$














      0












      0








      0





      $begingroup$


      If I develop and then deploy a model for Marketing like customer churn and then take actions based on the results of this model, how can I retrain the model some months later?



      I think that the results on the past will be biased by my actions guided by the same model that I want to retrain. Is this so? Should I keep a percentage of customer apart as the control group and use only those as input records for the retraining?










      share|improve this question







      New contributor




      Matteo Felici is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.







      $endgroup$




      If I develop and then deploy a model for Marketing like customer churn and then take actions based on the results of this model, how can I retrain the model some months later?



      I think that the results on the past will be biased by my actions guided by the same model that I want to retrain. Is this so? Should I keep a percentage of customer apart as the control group and use only those as input records for the retraining?







      machine-learning training






      share|improve this question







      New contributor




      Matteo Felici is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question







      New contributor




      Matteo Felici is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question






      New contributor




      Matteo Felici is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked yesterday









      Matteo FeliciMatteo Felici

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      Matteo Felici is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.





      New contributor





      Matteo Felici is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Matteo Felici is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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