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Check that methods of Table can handle an empty table #123

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lars-reimann opened this issue Mar 30, 2023 · 3 comments · Fixed by #314
Closed

Check that methods of Table can handle an empty table #123

lars-reimann opened this issue Mar 30, 2023 · 3 comments · Fixed by #314
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@patrikguempel @jxnior01
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enhancement 💡 New feature or request released Included in a release testing 🧪 Additional automated tests

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@lars-reimann
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lars-reimann commented Mar 30, 2023 •
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The methods of Table should work properly on an empty table. We don't currently handle this edge case, however. An appropriate tests should be added for each method of the Table class.

Example: It should be possible to add any row and any column to an empty table.
@lars-reimann lars-reimann added the testing 🧪 Additional automated tests label Mar 30, 2023
@lars-reimann
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Should be done after #98.

@lars-reimann lars-reimann mentioned this issue May 5, 2023
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@Marsmaennchen221 Marsmaennchen221 mentioned this issue May 19, 2023
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@patrikguempel patrikguempel linked a pull request May 19, 2023 that will close this issue
feat: check that methods of table can handle an empty table #314
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@patrikguempel patrikguempel mentioned this issue May 19, 2023
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@lars-reimann lars-reimann mentioned this issue May 24, 2023
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@zzril
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zzril commented May 26, 2023 •
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What about the Transformers? Should it be possible to fit them on empty tables? Also, should it be possible to transform empty tables using them?
(The latter one is probably always trivially possible.)

May create an own issue for this.

@patrikguempel patrikguempel mentioned this issue Jun 2, 2023
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@zzril zzril closed this as completed in #314 Jun 6, 2023
zzril pushed a commit that referenced this issue Jun 6, 2023
@patrikguempel @jxnior01
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feat: check that methods of table can handle an empty table (#314)
686c2e7 
Closes #123.

### Summary of Changes
Every test for _table.py now ensures that empty tables can be handled.
In some cases, the Table class has been adjusted, e.g. __eq__ method.

Co-authored-by: jxnior01 <[email protected]>
Co-authored-by: megalinter-bot <[email protected]>
Co-authored-by: Alexander <[email protected]>
@jxnior01 jxnior01 added enhancement 💡 New feature or request testing 🧪 Additional automated tests and removed testing 🧪 Additional automated tests labels Jun 16, 2023
lars-reimann pushed a commit that referenced this issue Jun 30, 2023
@semantic-release-bot
chore(release): 0.14.0 [skip ci]
d6f012c 
## [0.14.0](v0.13.0...v0.14.0) (2023-06-30)

### Features

* 290 properties for width-height of image ([#359](#359)) ([d9ebdc1](d9ebdc1)), closes [#290](#290)
* Add `find_edges` method to `Image` class ([#383](#383)) ([d14b6ce](d14b6ce)), closes [#288](#288)
* Add `StandardScaler` transformer ([#316](#316)) ([57b0572](57b0572)), closes [#142](#142)
* Add docstrings to the getter methods for hyperparameters in Regression and Classification models ([#371](#371)) ([9073f04](9073f04)), closes [#313](#313)
* Added `Table.group_by` to group a table by a given key ([#343](#343)) ([afb98be](afb98be)), closes [#160](#160)
* Added and improved errors and warnings in the table transformers ([#372](#372)) ([544e307](544e307)), closes [#152](#152)
* added crop() method in image and tests ([#365](#365)) ([eba8163](eba8163))
* added invert_colors method ([#367](#367)) ([1e4d110](1e4d110))
* adjust brightness and contrast of image ([#368](#368)) ([1752feb](1752feb)), closes [#289](#289) [#291](#291)
* blur Image method ([#363](#363)) ([c642176](c642176))
* check that methods of table can handle an empty table ([#314](#314)) ([686c2e7](686c2e7)), closes [#123](#123)
* convert image to grayscale ([#366](#366)) ([1312fe7](1312fe7)), closes [#287](#287)
* enhance `replace_column` to accept a list of new columns ([#312](#312)) ([d50c5b5](d50c5b5)), closes [#301](#301)
* Explicitly throw `UnknownColumnNameError` in `TaggedTable._from_table` ([#334](#334)) ([498999f](498999f)), closes [#333](#333)
* flip images / eq method for image ([#360](#360)) ([54f4ae1](54f4ae1)), closes [#280](#280)
* improve `table.summary`. Catch `ValueError` thrown by `column.stability` ([#390](#390)) ([dbbe0e3](dbbe0e3)), closes [#320](#320)
* improve error handling of `column.stability` when given a column that contains only None ([#388](#388)) ([1da2499](1da2499)), closes [#319](#319)
* Improve Error Handling of classifiers and regressors ([#355](#355)) ([66f5f64](66f5f64)), closes [#153](#153)
* Resize image ([#354](#354)) ([3a971ca](3a971ca)), closes [#283](#283)
* rotate_left and rotate_right added to Image ([#361](#361)) ([c877530](c877530)), closes [#281](#281)
* set kernel of support vector machine ([#350](#350)) ([1326f40](1326f40)), closes [#172](#172)
* sharpen image ([#364](#364)) ([3444700](3444700)), closes [#286](#286)

### Bug Fixes

* Keeping no columns with Table.keep_only_columns results in an empty Table with a row count above 0 ([#386](#386)) ([15dab06](15dab06)), closes [#318](#318)
* remove default value of `positive_class` parameter of classifier metrics ([#382](#382)) ([58fc09e](58fc09e))
* remove default value of `radius` parameter of `blur` ([#378](#378)) ([7f07f29](7f07f29))
@lars-reimann
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🎉 This issue has been resolved in version 0.14.0 🎉

The release is available on:

Your semantic-release bot 📦🚀

@lars-reimann lars-reimann added the released Included in a release label Jun 30, 2023
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enhancement 💡 New feature or request released Included in a release testing 🧪 Additional automated tests
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feat: check that methods of table can handle an empty table Safe-DS/Library
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@lars-reimann @zzril @patrikguempel @jxnior01