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TREE: warm_start with ccp_alpha #14039

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adrinjalali opened this issue Jun 7, 2019 · 0 comments
Open

TREE: warm_start with ccp_alpha #14039

adrinjalali opened this issue Jun 7, 2019 · 0 comments
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API module:tree Needs Decision Requires decision

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@adrinjalali
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Related to #12887 (comment)

#12887 mutates the self.tree_ of the tree estimator, and hence if we want a warm_start on ccp_alpha, it should be noted that it has a direction (ccp_alpha can only be increased), and for the grid search to know that(?). Otherwise, the estimator should ignore the warm_start and fit a new one.

It may be related to the warm_start_on or other related info we were planning to have as a part of the estimators. Is this a good candidate for the estimator tags?
@adrinjalali adrinjalali added API Needs Decision Requires decision labels Jun 7, 2019
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@cmarmo @adrinjalali