Merge branch 'master' into remove-multiclass-param

Author: sachinn854

.github/workflows/python-package-conda.yml

@@ -1,4 +1,4 @@
-name: Unit tests
+name: Unit tests (conda)
 
 on:
   push:
@@ -14,31 +14,33 @@ jobs:
     env:
       GITHUB_ACTIONS_CI: true
     steps:
-    - uses: actions/checkout@v4
-    - name: Set up Miniconda
-      uses: conda-incubator/setup-miniconda@v3
-      with:
-        auto-update-conda: true
-        python-version: 3.9
-        channels: conda-forge
-        activate-environment: mlxtend
-        environment-file: environment.yml
-        create-env-file: true
+      - uses: actions/checkout@v4
 
-    - name: Install dependencies and run tests
-      shell: bash -l {0}
-      run: |
-        conda install tensorflow joblib pytest -y -q
-        conda install imageio scikit-image -y -q
-        conda install dlib -y -q
-        pip install scikit-learn==1.3.1 pandas==1.3.5 markdown coverage
-        pip install -e .
-        python -c "import numpy; print('NumPy:', numpy.__version__)"
-        python -c "import scipy; print('SciPy:', scipy.__version__)"
-        python -c "import sklearn; print('Scikit-learn:', sklearn.__version__)"
-        python -c "import pandas; print('Pandas:', pandas.__version__)"
-        coverage run --source=mlxtend --branch -m pytest mlxtend
-        coverage xml
+      - name: Set up Miniconda
+        uses: conda-incubator/setup-miniconda@v3
+        with:
+          auto-update-conda: true
+          python-version: 3.11
+          channels: conda-forge
+          activate-environment: mlxtend
+          environment-file: environment.yml
+          create-env-file: true
 
-    - name: Upload Coverage to Codecov
-      uses: codecov/codecov-action@v4
+      - name: Install test dependencies (conda)
+        shell: bash -l {0}
+        run: |
+          conda install -y pytest coverage
+
+      - name: Install package and run tests
+        shell: bash -l {0}
+        run: |
+          python -m pip install -e .
+          python -c "import numpy; print('NumPy:', numpy.__version__)"
+          python -c "import scipy; print('SciPy:', scipy.__version__)"
+          python -c "import sklearn; print('Scikit-learn:', sklearn.__version__)"
+          python -c "import pandas; print('Pandas:', pandas.__version__)"
+          coverage run --source=mlxtend --branch -m pytest mlxtend
+          coverage xml
+
+      - name: Upload Coverage to Codecov
+        uses: codecov/codecov-action@v4

.github/workflows/python-package-pip.yml

@@ -0,0 +1,43 @@
+name: Unit tests
+
+on:
+  push:
+    branches: master
+  pull_request:
+    branches: master
+
+jobs:
+  build-linux:
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 5
+    env:
+      GITHUB_ACTIONS_CI: true
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install dependencies (pip)
+        run: |
+          python -m pip install --upgrade pip
+          pip install pytest coverage
+          pip install -e .
+
+      - name: Show dependency versions
+        run: |
+          python -c "import numpy; print('NumPy:', numpy.__version__)"
+          python -c "import scipy; print('SciPy:', scipy.__version__)"
+          python -c "import sklearn; print('Scikit-learn:', sklearn.__version__)"
+          python -c "import pandas; print('Pandas:', pandas.__version__)"
+
+      - name: Run tests
+        run: |
+          coverage run --source=mlxtend --branch -m pytest mlxtend
+          coverage xml
+
+      - name: Upload Coverage to Codecov
+        uses: codecov/codecov-action@v4

.gitignore

@@ -23,6 +23,7 @@ dist/
 MANIFEST
 
 # Temporary files
+uv.lock
 .coverage
 .ipynb_checkpoints
 

README.md

@@ -13,7 +13,7 @@
 
 <br>
 
-Sebastian Raschka 2014-2024
+Sebastian Raschka 2014-2026
 
 <br>
 

docs/ipynb2markdown.py

@@ -1,6 +1,6 @@
 # IPython Notebook to Markdown conversion script
 #
-# Sebastian Raschka 2014-2024
+# Sebastian Raschka 2014-2026
 # mlxtend Machine Learning Library Extensions
 #
 # Author: Sebastian Raschka <sebastianraschka.com>

docs/make_api.py

@@ -1,6 +1,6 @@
 # API generator script
 #
-# Sebastian Raschka 2014-2024
+# Sebastian Raschka 2014-2026
 # mlxtend Machine Learning Library Extensions
 #
 # Author: Sebastian Raschka <sebastianraschka.com>

docs/make_userguide.py

@@ -1,6 +1,6 @@
 # API generator script
 #
-# Sebastian Raschka 2014-2024
+# Sebastian Raschka 2014-2026
 # mlxtend Machine Learning Library Extensions
 #
 # Author: Sebastian Raschka <sebastianraschka.com>
@@ -14,8 +14,21 @@
 
 s = "# User Guide Index"
 
-yml_cont = open("mkdocs.yml", "r")
-usr_gd = yaml.load(yml_cont)["pages"][1]["User Guide"]
+with open("mkdocs.yml", "r") as yml_cont:
+    mkdocs_cfg = yaml.safe_load(yml_cont) or {}
+
+nav = mkdocs_cfg.get("nav")
+if not nav:
+    raise KeyError("'nav' section missing from mkdocs.yml")
+
+user_guide_entry = next(
+    (item for item in nav if isinstance(item, dict) and "User Guide" in item),
+    None,
+)
+if not user_guide_entry:
+    raise KeyError("'User Guide' section missing from mkdocs.yml")
+
+usr_gd = user_guide_entry["User Guide"]
 for dct in usr_gd[1:]:
     subpk = list(dct.keys())[0]
     s += "\n\n## `%s`" % subpk

docs/md2pdf.py

@@ -1,6 +1,6 @@
 # API generator script
 #
-# Sebastian Raschka 2014-2024
+# Sebastian Raschka 2014-2026
 # mlxtend Machine Learning Library Extensions
 #
 # Author: Sebastian Raschka <sebastianraschka.com>

docs/sources/CHANGELOG.md

@@ -7,12 +7,24 @@ The CHANGELOG for the current development version is available at
 
 ---
 
+### Version 0.24.0  (13 Dec 2025)
+
+##### Downloads
+
+- [Source code (zip)](https://github.com/rasbt/mlxtend/archive/v0.24.0.zip)
+
+- [Source code (tar.gz)](https://github.com/rasbt/mlxtend/archive/v0.24.0.tar.gz)
+
+
 ##### Changes
 
-  - [`mlxtend/classifier/stacking_cv_classification.py`](https://github.com/rasbt/mlxtend/blob/master/mlxtend/classifier/stacking_cv_classification.py) and [`mlxtend/regressor/stacking_cv_regression.py`](https://github.com/rasbt/mlxtend/blob/master/mlxtend/regressor/stacking_cv_regression.py)
+- Compatibility with latest scikit-learn (1.8.0) and pandas versions (2.3.3)
+- [`mlxtend/classifier/stacking_cv_classification.py`](https://github.com/rasbt/mlxtend/blob/master/mlxtend/classifier/stacking_cv_classification.py) and [`mlxtend/regressor/stacking_cv_regression.py`](https://github.com/rasbt/mlxtend/blob/master/mlxtend/regressor/stacking_cv_regression.py)
       - Modified `meta_features` to ensure compatibility with *scikit-learn* versions 1.4 and above by dynamically selecting between `fit_params` and `params` in `cross_val_predict`.
 
-### Version 0.24.4  (25 Nov 2025)
+---
+
+### Version 0.23.4  (25 Nov 2024)
 
 ##### Downloads
 

docs/sources/USER_GUIDE_INDEX.md

@@ -46,7 +46,6 @@
 - [paired_ttest_resampled](user_guide/evaluate/paired_ttest_resampled.md)
 - [permutation_test](user_guide/evaluate/permutation_test.md)
 - [PredefinedHoldoutSplit](user_guide/evaluate/PredefinedHoldoutSplit.md)
-- [proportion_difference](user_guide/evaluate/proportion_difference.md)
 - [RandomHoldoutSplit](user_guide/evaluate/RandomHoldoutSplit.md)
 - [scoring](user_guide/evaluate/scoring.md)
 
@@ -73,15 +72,17 @@
 ## `math`
 - [num_combinations](user_guide/math/num_combinations.md)
 - [num_permutations](user_guide/math/num_permutations.md)
+- [vectorspace_dimensionality](user_guide/math/vectorspace_dimensionality.md)
+- [vectorspace_orthonormalization](user_guide/math/vectorspace_orthonormalization.md)
 
 ## `plotting`
 - [category_scatter](user_guide/plotting/category_scatter.md)
 - [checkerboard_plot](user_guide/plotting/checkerboard_plot.md)
+- [plot_pca_correlation_graph](user_guide/plotting/plot_pca_correlation_graph.md)
 - [ecdf](user_guide/plotting/ecdf.md)
 - [enrichment_plot](user_guide/plotting/enrichment_plot.md)
 - [heatmap](user_guide/plotting/heatmap.md)
 - [plot_confusion_matrix](user_guide/plotting/plot_confusion_matrix.md)
-- [plot_pca_correlation_graph](user_guide/plotting/plot_pca_correlation_graph.md)
 - [plot_decision_regions](user_guide/plotting/plot_decision_regions.md)
 - [plot_learning_curves](user_guide/plotting/plot_learning_curves.md)
 - [plot_linear_regression](user_guide/plotting/plot_linear_regression.md)