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[SPARK-10026] [ML] [PySpark] Implement some common Params for regression in PySpark #8508
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Perhaps we should also extract a
HasThreshold
mixin for binary classifier thresholdsThere was a problem hiding this comment.
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threshold
is a deprecated parameter, it is replaced bythresholds
. LogisticRegression still reservethreshold
is just for binary compatibility. So I think we don't need to extractHasThreshold
as shared Param. @jkbradleyThere was a problem hiding this comment.
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My understanding is that the
HasThresholds
trait mixin inml.LogisticRegression
is actually an artifact resulting from transient dependency throughProbabilisticClassifier
. We don't actually support multi-class classification inml.LogisticRegression
ATM and did quite a bit of work to make the API less confusing.After mutli-class is supported I think it makes sense to use
HasThresholds
, but for the time being I would prefer we only useHasThreshold
in the Python API.