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Imputer should also work if missing values are not represented by null/NaN #643

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lars-reimann opened this issue Apr 23, 2024 · 1 comment · Fixed by #707
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Imputer should also work if missing values are not represented by null/NaN #643

lars-reimann opened this issue Apr 23, 2024 · 1 comment · Fixed by #707
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Is your feature request related to a problem?

We've had an example where missing values where represented by the value 0. This meant that the imputer could not be used.

Desired solution

  • Option 1: Specify how missing values are encoded when creating a table.
  • Option 2: Specify the value to replace in the imputer.

We might also combine both solutions.

Possible alternatives (optional)

No response

Screenshots (optional)

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Additional Context (optional)

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@github-project-automation github-project-automation bot moved this to Backlog in Library Apr 23, 2024
@lars-reimann lars-reimann self-assigned this May 3, 2024
@lars-reimann lars-reimann moved this from Backlog to In Progress in Library May 3, 2024
@lars-reimann lars-reimann mentioned this issue May 3, 2024
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@lars-reimann lars-reimann linked a pull request May 3, 2024 that will close this issue
feat: replace other values than NaN with imputer #707
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lars-reimann added a commit that referenced this issue May 3, 2024
@lars-reimann @megalinter-bot
feat: replace other values than NaN with imputer (#707)
4a059e0 
Closes #643

### Summary of Changes

* Add an optional argument to `Imputer` to configure the
`value_to_replace`. This can be an int, float, or string.

---------

Co-authored-by: megalinter-bot <[email protected]>
@github-project-automation github-project-automation bot moved this from In Progress to ✔️ Done in Library May 3, 2024
lars-reimann pushed a commit that referenced this issue May 4, 2024
@semantic-release-bot
chore(release): 0.23.0 [skip ci]
6a8bbdc 
## [0.23.0](v0.22.1...v0.23.0) (2024-05-04)

### Features

* add `Column.to_table` ([#705](#705)) ([36e4a7a](36e4a7a)), closes [#695](#695)
* added Column.summarize_statistics() ([#715](#715)) ([71730a9](71730a9)), closes [#701](#701)
* replace other values than NaN with imputer ([#707](#707)) ([4a059e0](4a059e0)), closes [#643](#643)

### Bug Fixes

* use UTF-8 encoding when opening files ([#704](#704)) ([f8c27bc](f8c27bc))
@lars-reimann
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🎉 This issue has been resolved in version 0.23.0 🎉

The release is available on:

Your semantic-release bot 📦🚀

@lars-reimann lars-reimann added the released Included in a release label May 4, 2024
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feat: replace other values than NaN with imputer Safe-DS/Library
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