Github user srowen commented on the issue:
https://github.com/apache/spark/pull/14949
Oh, I get it now. That makes sense. If this were being applied to decision
trees only, that would make sense and we could fix this up and document the
meaning. I agree it only makes sense to return "
Github user MLnick commented on the issue:
https://github.com/apache/spark/pull/14949
The original JIRA
[SPARK-8069](https://issues.apache.org/jira/browse/SPARK-8069) refers to
https://cran.r-project.org/web/packages/randomForest/randomForest.pdf.
That R package calls it "cu
Github user srowen commented on the issue:
https://github.com/apache/spark/pull/14949
The problem is that it's called 'threshold' and not 'weight', and
'threshold' means something different. Is anyone suggesting that it was always
meant as a 'weight', and/or has a reference for this t
Github user zhengruifeng commented on the issue:
https://github.com/apache/spark/pull/14949
I think both this change and current design are reasonable. And I
personally prefer to current one which treat threshould as a kind of weight.
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Github user srowen commented on the issue:
https://github.com/apache/spark/pull/14949
Trying @holdenk or @mengxr maybe. I think this behavior should be changed
because it doesn't match the common meaning of 'threshold', but I feel like I'm
missing context about why it was done this wa
Github user srowen commented on the issue:
https://github.com/apache/spark/pull/14949
@jkbradley @zhengruifeng @MLnick I wonder if I could ask you for comments
on this change? it's a behavior change, so not something I'd do lightly, but I
do think it improves the semantics here.
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