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Prajna_450
Fluorite | Level 6

Hi,   When I run a StatExplore Node, I see that there is a window for "Variable Worth". Someone please explain to me how this portion of information is calculated. Are there any formulas that are sitting at the back to calculate this window.  

 

I am basically needing this information to gain better knowledge on SAS Eminer Outpus. What those windows explain and how can they contribute for our understanding.

 

  Kindly revert  

 

Thank you,

Prajna 

2 REPLIES 2
MikeStockstill
SAS Employee

Hello Prajna_450:

 

The StatExplore node chapter does not tell the formula.  Instead, the chapter advises you to see Variable Importance in the Help for the Decision Tree node for details on how a variable's worth (importance) is computed.  Details are given there.

 

Have a great day.

Prajna_450
Fluorite | Level 6

Hi Mike,

 

Decision tree split search is also based on maximum logworth. Then, why do I see different order in Variable Worth (in Segment profile node) vs Variable importance (in decision tree node)?

 

Could you please explain this difference?

 

Thank you,

Prajna

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