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How to use classweights for a multiclass outcome? #798

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skanskan opened this issue Jul 22, 2023 · 0 comments
Open

How to use classweights for a multiclass outcome? #798

skanskan opened this issue Jul 22, 2023 · 0 comments
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@skanskan
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The documentation says

classweights adds a class weight column. 
Sample weights are added to each sample according to the target class. 
Only binary classification tasks are supported.

Then, how can we generate a classweights column with mlr3 if we have a multiclass outcome?
@mllg mllg transferred this issue from mlr-org/mlr3 Aug 16, 2024
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@skanskan @be-marc