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"Decision Stump Split"

User: "Stefan_E"
New Altair Community Member
Updated by Jocelyn
... this seems to be too simple to raise a question. Still, I'm puzzled.
Very simple dataset:
"t_90005";"Label"
-16.3319;"0"
0.0;"0"
0.0;"0"
0.0;"0"
0.0;"0"
0.0;"0"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
and very simple process with just a Decision Stump:
"t_90005";"Label"
-16.3319;"0"
0.0;"0"
0.0;"0"
0.0;"0"
0.0;"0"
0.0;"0"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
0.0;"1"
... but why doesn't it split out the one example with a separate value (-16.33)? ???

Thanks for your help!

Stefan

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