From 8221e0fd1fcd7cbef956a9fc84e9910485e57fb7 Mon Sep 17 00:00:00 2001 From: Villu Ruusmann Date: Fri, 15 Mar 2024 10:46:47 +0200 Subject: [PATCH] Updated documentation --- NEWS.md | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++--- README.md | 6 +++--- 2 files changed, 54 insertions(+), 6 deletions(-) diff --git a/NEWS.md b/NEWS.md index 5ccd9dd..934e229 100644 --- a/NEWS.md +++ b/NEWS.md @@ -1,8 +1,56 @@ +# 0.104.1 # + +## Breaking changes + +* Removed `sklearn2pmml.ensemble.OrdinalClassifier` class. + +The uses of this class should be replaced with the uses of the `sklego.meta.OrdinalClassifier` class (see below), which implements exactly the same algorithm, and offers extra functionality such as calibration and parallelized fitting. + +## New features + +* Added support for `sklego.meta.OrdinalClassifier` class. + +``` python +from pandas import CategoricalDtype, Series + +# A proper ordinal target +y_bin = Series(_bin(y), dtype = CategoricalDtype(categories = [...], ordered = True), name = "bin(y)") + +classifier = OrdinalClassifier(LogisticRegression(), use_calibration = True, ...) +# Map categories from objects to integer codes +classifier.fit(X, (y_bin.cat).codes.values) + +# Store the categories mapping: +# the `OrdinalClassifier.classes_` attribute holds integer codes, +# and the `OrdinalClassifier.pmml_classes_` holds the corresponding objects +classifier.pmml_classes_ = y_bin.dtype.categories +``` + +See [Scikit-Lego-607](https://github.com/koaning/scikit-lego/issues/607) + +## Minor improvements and fixes + +* Removed the SkLearn-Pandas package from installation requirements. + +The `sklearn_pandas.DataFrameMapper` meta-transformer is giving way to the `sklearn.compose.ColumnTransformer` meta-transformer in most common pipelines. + +* Fixed the base-N encoding of missing values. + +This bug manifested itself when missing values were assigned to a category by itself. + +This bug was discovered when rebuilding integration tests with Category-Encoders 2.6(.3). +It is currently unclear if the base-N encoding algorithm had its behaviour changed between Category-Encoders 2.5 and 2.6 development lines. + +In any case, when using SkLearn2PMML 0.104.1 or newer, it is advisable to upgrade to Category-Encoders 2.6.0 or newer. + +* Ensured compatibility with Category-Encoders 2.6.3, Imbalanced-Learn 0.12.0, OptBinning 0.19.0 and Scikit-Lego 0.7.4. + + # 0.104.0 # ## Breaking changes -* Updated Scikit-Learn version requirement from `0.18+` to `1.0+`. +* Updated Scikit-Learn installation requirement from `0.18+` to `1.0+`. This change helps the SkLearn2PMML package to better cope with breaking changes in Scikit-Learn APIs. The underlying [JPMML-SkLearn](https://github.com/jpmml/jpmml-sklear) library retains the maximum version coverage, because it is dealing with Scikit-Learn serialized state (Pickle/Joblib or Dill), which is considerably more stable. @@ -11,10 +59,10 @@ The underlying [JPMML-SkLearn](https://github.com/jpmml/jpmml-sklear) library re * Added support for Scikit-Learn 1.4.X. -The JPMML-SkLearn library had its integration tests rebuilt with Scikit-Learn `1.4.0` and `1.4.1.post1` versions. +The JPMML-SkLearn library integration tests were rebuilt with Scikit-Learn `1.4.0` and `1.4.1.post1` versions. All supported transformers and estimators passed cleanly. -See [SkLearn2PMML-409](https://github.com/jpmml/sklearn2pmml/issues/409) and [JPMML-SkLearn-195](https://github.com/jpmml/jpmml-sklearn/issues/195). +See [SkLearn2PMML-409](https://github.com/jpmml/sklearn2pmml/issues/409) and [JPMML-SkLearn-195](https://github.com/jpmml/jpmml-sklearn/issues/195) * Added support for `BaseHistGradientBoosting._preprocessor` attribute. diff --git a/README.md b/README.md index 254906f..869a301 100644 --- a/README.md +++ b/README.md @@ -9,13 +9,13 @@ This package is a thin Python wrapper around the [JPMML-SkLearn](https://github. # News and Updates # -The current version is **0.104.0** (10 March, 2024): +The current version is **0.104.1** (14 March, 2024): ``` -pip install sklearn2pmml==0.104.0 +pip install sklearn2pmml==0.104.1 ``` -See the [NEWS.md](https://github.com/jpmml/sklearn2pmml/blob/master/NEWS.md#01040) file. +See the [NEWS.md](https://github.com/jpmml/sklearn2pmml/blob/master/NEWS.md#01041) file. # Prerequisites #