Model Comparison: How to Create the Best Predictive Models?
Update for SAP Predictive Analytics 2.3
Check Jayant's blog about SAP PA 2.3 improvements: More control over how Models can be compared in SAP Predictive Analytics 2.3
Additional resource, our Expert user guide, pp 83 to 90: http://help.sap.com/businessobject/product_guides/pa23/en/pa23_expert_user_en.pdf
SAP Predictive Analytics 2.2
Model Comparison is a popular feature of SAP Predictive Analytics 2.2.
In overview of the 2.2 release, it is detailed as:
Making data scientists more agile and efficient
(Expert Analytics) New Model Performance Comparison
Compare the performance of two or more algorithms and get a recommendation and detailed explanation for which one is the best to use.
There have been multiple blog posts discussing and showcasing this feature.
Here is a personal selection:
released just today:
Which Algorithm to use? Let Model Compare Show you
published early July:
Model Compare as a new feature in PA 2.2
summarized "the best new features" in SAP Predictive Analytics 2.2
http://sapbiblog.com/2015/06/25/best-new-features-in-sap-predictive-analytics-2-2/
The official tutorial is found here
Our Expert Analytics user guide explains in details the comparison & statistic nodes on page 230
http://help.sap.com/businessobject/product_guides/pa22/en/pa22_expert_user_en.pdf
@Jayanta Roy is "unveiling the cover" on what could come next for model comparison here - stay tuned!
Model Statistics/Compare for non-Auto algorithms--"Training" vs "Validation"???
Happy comparison of predictive models, and please continue to give us feedback on your experience!
Antoine
