[WIP] Fixes #8136: Added support for new labels #8164
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this is a great functionality, that I've been looking for. Any idea why it wasn't merged? An important use-case is when training data consists of multiple batches, and certain categorical features have a very high cardinality (in the tens of thousands for example). In one batch, we would not see all possible values of this variable, so we'd want to use an "updating" version of |
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LabelEncoder is not intended for categorical features. It is intended for classifiable targets. But we have something in development that is. I'm not yet sure if partial_fit will be in the first release. Have your say at #9151 |
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This PR is for the feature discussed in #8136.