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Columns that are added/changed/removed by a TableTransformer #190

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lars-reimann opened this issue Apr 14, 2023 · 3 comments · Fixed by #304
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Columns that are added/changed/removed by a TableTransformer #190

lars-reimann opened this issue Apr 14, 2023 · 3 comments · Fixed by #304
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documentation 📖 Improvements or additions to documentation enhancement 💡 New feature or request released Included in a release

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@lars-reimann
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lars-reimann commented Apr 14, 2023 •
edited by alex-senger
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Is your feature request related to a problem?

It would be useful to know which columns get added, changed, or removed by a TableTransformer.

Desired solution

The TableTransformer abstract base class should get three new abstract methods:

  • get_names_of_added_columns
  • get_names_of_changed_columns
  • get_names_of_removed_columns

Each of them should return a list of strings in correct order. All subclasses of TableTransformer must implement these methods. The docstrings of the subclasses should also describe how columns are affected by the transformer.

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@lars-reimann lars-reimann added the enhancement 💡 New feature or request label Apr 14, 2023
@github-project-automation github-project-automation bot moved this to Backlog in Library Apr 14, 2023
@lars-reimann lars-reimann changed the title Get columns that get added/changed/removed by a TableTransformer Get columns that are added/changed/removed by a TableTransformer Apr 14, 2023
@lars-reimann lars-reimann changed the title Get columns that are added/changed/removed by a TableTransformer Columns that are added/changed/removed by a TableTransformer Apr 14, 2023
@lars-reimann lars-reimann mentioned this issue Apr 14, 2023
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@lars-reimann lars-reimann added the documentation 📖 Improvements or additions to documentation label Apr 14, 2023
@lars-reimann lars-reimann mentioned this issue Apr 17, 2023
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@lars-reimann lars-reimann mentioned this issue May 6, 2023
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@alex-senger alex-senger moved this from Backlog to Todo in Library May 12, 2023
@zzril zzril moved this from Todo to In Progress in Library May 12, 2023
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zzril commented May 12, 2023

It is unclear which table the methods should refer to.
E.g., should get_names_of_changed_columns, applied on an Imputer instance, return a list of those column names that have been changed in the last table the Imputer has been used to transform? (That would mean we store data that logically belongs to a Table globally in the Transformer class.)
Or should it return all the column names that can in principle be affected, i.e. all names that had been passed to fit?

@zzril zzril added the question Further information is requested label May 12, 2023
@lars-reimann
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Or should it return all the column names that can in principle be affected, i.e. all names that had been passed to fit?

This.

@zzril zzril mentioned this issue May 12, 2023
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@zzril zzril linked a pull request May 12, 2023 that will close this issue
feat: Add methods that tell which columns would be affected by a transformer #304
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@zzril zzril removed the question Further information is requested label May 12, 2023
@zzril zzril moved this from In Progress to Ready for Review in Library May 12, 2023
PhilipGutberlet pushed a commit that referenced this issue May 19, 2023
@zzril @sibre28 @megalinter-bot
feat: Add methods that tell which columns would be affected by a tran…
3933b45 
…sformer (#304)

Closes #190 .

### Summary of Changes

Added abstract methods `get_names_of_added_columns`,
`get_names_of_changed_columns`, `get_names_of_removed_columns` in
`TableTransformer` class.
Added implementations for all transformers.

Co-authored-by: sibre28 <[email protected]>

---------

Co-authored-by: Simon <[email protected]>
Co-authored-by: sibre28 <[email protected]>
Co-authored-by: megalinter-bot <[email protected]>
@github-project-automation github-project-automation bot moved this from Ready for Review to ✔️ Done in Library May 19, 2023
lars-reimann pushed a commit that referenced this issue Jun 1, 2023
@semantic-release-bot
chore(release): 0.13.0 [skip ci]
9a332b2 
## [0.13.0](v0.12.0...v0.13.0) (2023-06-01)

### Features

* add `Choice` class for possible values of hyperparameter ([#325](#325)) ([d511c3e](d511c3e)), closes [#264](#264)
* Add `RangeScaler` transformer ([#310](#310)) ([f687840](f687840)), closes [#141](#141)
* Add methods that tell which columns would be affected by a transformer ([#304](#304)) ([3933b45](3933b45)), closes [#190](#190)
* Getters for hyperparameters of Regression and Classification models ([#306](#306)) ([5c7a662](5c7a662)), closes [#260](#260)
* improve error handling of table ([#308](#308)) ([ef87cc4](ef87cc4)), closes [#147](#147)
* Remove warnings thrown in new `Transformer` methods ([#324](#324)) ([ca046c4](ca046c4)), closes [#323](#323)
@lars-reimann
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🎉 This issue has been resolved in version 0.13.0 🎉

The release is available on:

Your semantic-release bot 📦🚀

@lars-reimann lars-reimann added the released Included in a release label Jun 1, 2023
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