Combine models with stacking in Auto Model

User222697User222697 Member Posts: 17 image Contributor II
edited December 2018 in Product Ideas

Hi!

 

I would love for this to be implemented in the "Auto Model" functionality to easily combine predictive models

 

Reference: https://community.rapidminer.com/t5/RapidMiner-Studio-Knowledge-Base/How-to-Combine-Models-with-Stacking/ta-p/37152

 

Would it be possible?

 

Thank you!

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IC-1431

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  • sgenzersgenzer Administrator, Moderator, Employee-RapidMiner, RapidMiner Certified Analyst, Community Manager, Member, University Professor, PM Moderator Posts: 2,959 image Community Manager

    hi @User222697 - it's a good idea. Let's move this to the Ideas section and see what others think! :)

     

    Scott

     

  • sgenzersgenzer Administrator, Moderator, Employee-RapidMiner, RapidMiner Certified Analyst, Community Manager, Member, University Professor, PM Moderator Posts: 2,959 image Community Manager
  • User222697User222697 Member Posts: 17 image Contributor II
    Is this idea in the roadmap of future versions?

    Thanks!
  • SGolbertSGolbert RapidMiner Certified Analyst, Member Posts: 344 image Unicorn
    The idea in itself is good, but we would have to determine how stacking or model ensembling can be done automatically . . .

    In my opinion, the state of the art is not yet good enough to advance to more complex appliance. In Auto Model, we should focus more on the "auto" part, because it is still quite manual (but saves time nonetheless).

    Regards,
    Sebastian
  • kypexinkypexin RapidMiner Certified Analyst, Member Posts: 291 image Unicorn
    Hi @User222697

    I am not really sure whether automation or stacking is in the first place here. But in the latter case, it doesn't seem really hard:
    • Run Auto Model with desired models chosen.
    • Open each model process manually, run, save the model.
    • Manually build a new process with stacking operator, which would retrieve then all saved models. 
    • Run it on the same data.
    Manual work, but doesn't seem to be that much. 
    Hope this might help a bit. 

    -- 
    Vladimir
    http://whatthefraud.wtf
  • User222697User222697 Member Posts: 17 image Contributor II
    Kypexin,

    can you provide an simple example of the points 3 and 4

    "
    • Manually build a new process with stacking operator, which would retrieve then all saved models. 
    • Run it on the same data
    "

    Thank you very much!
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