OneHotEncoder should maintain column order
#109
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Marsmaennchen221
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Apr 16, 2023
…ll columns were fitted `OneHotEncoder.inverse_transform` now maintains the column order from the original table; added test for this behaviour (#109)
lars-reimann
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Apr 18, 2023
…r from the original table (#195) Closes #109. ### Summary of Changes `OneHotEncoder.inverse_transform` now maintains the column order from the original table (#109) Fixed bug with `OneHotEncoder.inverse_transform` to not work if not all columns were fitted New feature columns in `OneHotEncoder` will now be inserted where the combined columns were in the original table --------- Co-authored-by: megalinter-bot <129584137+megalinter-bot@users.noreply.github.com> Co-authored-by: Lars Reimann <mail@larsreimann.com>
lars-reimann
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Apr 21, 2023
## [0.11.0](v0.10.0...v0.11.0) (2023-04-21) ### Features * `OneHotEncoder.inverse_transform` now maintains the column order from the original table ([#195](#195)) ([3ec0041](3ec0041)), closes [#109](#109) [#109](#109) * add `plot_` prefix back to plotting methods ([#212](#212)) ([e50c3b0](e50c3b0)), closes [#211](#211) * adjust `Column`, `Schema` and `Table` to changes in `Row` ([#216](#216)) ([ca3eebb](ca3eebb)) * back `Row` by a `polars.DataFrame` ([#214](#214)) ([62ca34d](62ca34d)), closes [#196](#196) [#149](#149) * clean up `Row` class ([#215](#215)) ([b12fc68](b12fc68)) * convert between `Row` and `dict` ([#206](#206)) ([e98b653](e98b653)), closes [#204](#204) * convert between a `dict` and a `Table` ([#198](#198)) ([2a5089e](2a5089e)), closes [#197](#197) * create column types for `polars` data types ([#208](#208)) ([e18b362](e18b362)), closes [#196](#196) * dataframe interchange protocol ([#200](#200)) ([bea976a](bea976a)), closes [#199](#199) * move existing ML solutions into `safeds.ml.classical` package ([#213](#213)) ([655f07f](655f07f)), closes [#210](#210) ### Bug Fixes * `table.keep_only_columns` now maps column names to correct data ([#194](#194)) ([459ab75](459ab75)), closes [#115](#115) * typo in type hint ([#184](#184)) ([e79727d](e79727d)), closes [#180](#180)
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🎉 This issue has been resolved in version 0.11.0 🎉 The release is available on:
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Is your feature request related to a problem?
OneHotEncoder.transformcurrently appends the one-hot-encoded columns at the end of the result. Likewise,OneHotEncoder.inverse_transformappends the decoded columns at the end of the result. Because of this,inverse_transformis generally not able to restore the original table exactly.Example:
Input:
Result of transforming "a":
Result of inverse transform:
Desired solution
Produce the following results instead:
Result of transforming "a":
Result of inverse transform:
Possible alternatives (optional)
No response
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Additional Context (optional)
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