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ensemble models

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ensemble models

Hi everyone,

I passed my Predictive modeller (SAS EM 13.1) exam  about 6 months ago, and have managed to get into a data science role. I never really understood how ensemble models fit into the process flow in SAS EM. Which of the two obtions describe how they fit in the process flow:

a. The ensemble model note comes before the models, and then connects to the various models. e.g Ensemble model>>>>>>Linear Regression model

b. The ensemble model comes after the models, in a similar manner to the model comparison node. e.g Models>>>>>ensemble model

 

Your response will be much appreciated.

Thanks,

 

Paul


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‎04-27-2017 10:04 AM
SAS Super FREQ
Posts: 269

Re: ensemble models

b - you connect multiple modeling nodes to an Ensemble node similar to Model Comparison.

 

See this paper for some examples: https://support.sas.com/resources/papers/proceedings14/SAS133-2014.pdf

 

And this paper and post for more advanced ensemble models:

 

https://support.sas.com/resources/papers/proceedings16/SAS3120-2016.pdf

 

https://communities.sas.com/t5/SAS-Communities-Library/Quick-guide-to-implementing-advanced-ensemble...

 

 

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‎04-27-2017 10:04 AM
SAS Super FREQ
Posts: 269

Re: ensemble models

b - you connect multiple modeling nodes to an Ensemble node similar to Model Comparison.

 

See this paper for some examples: https://support.sas.com/resources/papers/proceedings14/SAS133-2014.pdf

 

And this paper and post for more advanced ensemble models:

 

https://support.sas.com/resources/papers/proceedings16/SAS3120-2016.pdf

 

https://communities.sas.com/t5/SAS-Communities-Library/Quick-guide-to-implementing-advanced-ensemble...

 

 

Contributor
Posts: 33

Re: ensemble models

Hi Wendy,

Thanks for the papers. They all look like easy reads.

Thanks

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