JuliaAI / JuliaAI/MLJTransforms.jl

Enhance treatment of missing value in one-hot encoder

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Dominant language
Julia
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Forks
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Description

There is now missing value handling in OneHotEncoder but this simply propagates the missing values. I guess it might be nice to offer some other popular options for handling missing values which might be complicated to handle in a post-processing step. See also the discussion here.

@Chandu-4444 @Frank-III @OlivierLabayle

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Research direction

Start with the OneHotEncoder missing-value handling added in issue #457, then read the discussion linked from MLJModels.jl issue #450. Clarify which popular missing-value options should be supported and how they should behave; done means the agreed options are implemented and their behavior is verified.

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Assessment

Tech stack
julia
Domain
machine-learning
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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