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https://github.com/scikit-learn/scikit-learn/issues/31923
[ "Bug", "Needs Triage" ]
404 when fetching datasets with sklearn.datasets.fetch_openml ### Describe the bug My Azure DevOps pipeline started failing to fetch data from OpenML with 404 as of 9 August. My original line in a Jupyter notebook uses `fetch_openml(name='SPECT', version=1, parser='auto')`; but I've not been able to download any othe...
31,923
https://github.com/scikit-learn/scikit-learn/issues/31923
[ "Bug", "Needs Triage" ]
404 when fetching datasets with sklearn.datasets.fetch_openml ### Describe the bug My Azure DevOps pipeline started failing to fetch data from OpenML with 404 as of 9 August. My original line in a Jupyter notebook uses `fetch_openml(name='SPECT', version=1, parser='auto')`; but I've not been able to download any othe...
31,923
https://github.com/scikit-learn/scikit-learn/issues/31923
[ "Bug", "Needs Triage" ]
404 when fetching datasets with sklearn.datasets.fetch_openml ### Describe the bug My Azure DevOps pipeline started failing to fetch data from OpenML with 404 as of 9 August. My original line in a Jupyter notebook uses `fetch_openml(name='SPECT', version=1, parser='auto')`; but I've not been able to download any othe...
31,923
https://github.com/scikit-learn/scikit-learn/issues/31923
[ "Bug", "Needs Triage" ]
404 when fetching datasets with sklearn.datasets.fetch_openml ### Describe the bug My Azure DevOps pipeline started failing to fetch data from OpenML with 404 as of 9 August. My original line in a Jupyter notebook uses `fetch_openml(name='SPECT', version=1, parser='auto')`; but I've not been able to download any othe...
31,923
https://github.com/scikit-learn/scikit-learn/issues/31923
[ "Bug", "Needs Triage" ]
404 when fetching datasets with sklearn.datasets.fetch_openml ### Describe the bug My Azure DevOps pipeline started failing to fetch data from OpenML with 404 as of 9 August. My original line in a Jupyter notebook uses `fetch_openml(name='SPECT', version=1, parser='auto')`; but I've not been able to download any othe...
31,923
https://github.com/scikit-learn/scikit-learn/issues/31913
[ "Needs Triage" ]
⚠️ CI failed on Linux_Nightly.pylatest_pip_scipy_dev (last failure: Aug 10, 2025) ⚠️ **CI failed on [Linux_Nightly.pylatest_pip_scipy_dev](https://dev.azure.com/scikit-learn/scikit-learn/_build/results?buildId=78962&view=logs&j=dfe99b15-50db-5d7b-b1e9-4105c42527cf)** (Aug 10, 2025) - test_dtype_preprocess_data[73-True...
31,913
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31912
[ "RFC", "Developer API" ]
Stable extender contract via `fit` / `_fit` resp `predict` / `_predict` separation ### Describe the workflow you want to enable tl;dr, I am suggestion to refactor `scikit-learn` internals to a layer separation with boilerplate between `fit` and `_fit` resp `predict` and `_predict` methods, to make extender interfaces...
31,912
https://github.com/scikit-learn/scikit-learn/issues/31907
[ "Bug", "module:cluster" ]
HDBSCAN modifies input precomputed distance matrix ### Describe the bug When using `sklearn.cluster.HDBSCAN` with `metric="precomputed"`, the input distance matrix is modified after calling `fit_predict()`. The original `hdbscan` package (v0.8.40) works correctly. ### Steps/Code to Reproduce ```py import numpy as ...
31,907
https://github.com/scikit-learn/scikit-learn/issues/31907
[ "Bug", "module:cluster" ]
HDBSCAN modifies input precomputed distance matrix ### Describe the bug When using `sklearn.cluster.HDBSCAN` with `metric="precomputed"`, the input distance matrix is modified after calling `fit_predict()`. The original `hdbscan` package (v0.8.40) works correctly. ### Steps/Code to Reproduce ```py import numpy as ...
31,907
https://github.com/scikit-learn/scikit-learn/issues/31907
[ "Bug", "module:cluster" ]
HDBSCAN modifies input precomputed distance matrix ### Describe the bug When using `sklearn.cluster.HDBSCAN` with `metric="precomputed"`, the input distance matrix is modified after calling `fit_predict()`. The original `hdbscan` package (v0.8.40) works correctly. ### Steps/Code to Reproduce ```py import numpy as ...
31,907
https://github.com/scikit-learn/scikit-learn/issues/31907
[ "Bug", "module:cluster" ]
HDBSCAN modifies input precomputed distance matrix ### Describe the bug When using `sklearn.cluster.HDBSCAN` with `metric="precomputed"`, the input distance matrix is modified after calling `fit_predict()`. The original `hdbscan` package (v0.8.40) works correctly. ### Steps/Code to Reproduce ```py import numpy as ...
31,907
https://github.com/scikit-learn/scikit-learn/issues/31907
[ "Bug", "module:cluster" ]
HDBSCAN modifies input precomputed distance matrix ### Describe the bug When using `sklearn.cluster.HDBSCAN` with `metric="precomputed"`, the input distance matrix is modified after calling `fit_predict()`. The original `hdbscan` package (v0.8.40) works correctly. ### Steps/Code to Reproduce ```py import numpy as ...
31,907
https://github.com/scikit-learn/scikit-learn/issues/31907
[ "Bug", "module:cluster" ]
HDBSCAN modifies input precomputed distance matrix ### Describe the bug When using `sklearn.cluster.HDBSCAN` with `metric="precomputed"`, the input distance matrix is modified after calling `fit_predict()`. The original `hdbscan` package (v0.8.40) works correctly. ### Steps/Code to Reproduce ```py import numpy as ...
31,907
https://github.com/scikit-learn/scikit-learn/issues/31907
[ "Bug", "module:cluster" ]
HDBSCAN modifies input precomputed distance matrix ### Describe the bug When using `sklearn.cluster.HDBSCAN` with `metric="precomputed"`, the input distance matrix is modified after calling `fit_predict()`. The original `hdbscan` package (v0.8.40) works correctly. ### Steps/Code to Reproduce ```py import numpy as ...
31,907
https://github.com/scikit-learn/scikit-learn/issues/31907
[ "Bug", "module:cluster" ]
HDBSCAN modifies input precomputed distance matrix ### Describe the bug When using `sklearn.cluster.HDBSCAN` with `metric="precomputed"`, the input distance matrix is modified after calling `fit_predict()`. The original `hdbscan` package (v0.8.40) works correctly. ### Steps/Code to Reproduce ```py import numpy as ...
31,907
https://github.com/scikit-learn/scikit-learn/issues/31907
[ "Bug", "module:cluster" ]
HDBSCAN modifies input precomputed distance matrix ### Describe the bug When using `sklearn.cluster.HDBSCAN` with `metric="precomputed"`, the input distance matrix is modified after calling `fit_predict()`. The original `hdbscan` package (v0.8.40) works correctly. ### Steps/Code to Reproduce ```py import numpy as ...
31,907
https://github.com/scikit-learn/scikit-learn/issues/31907
[ "Bug", "module:cluster" ]
HDBSCAN modifies input precomputed distance matrix ### Describe the bug When using `sklearn.cluster.HDBSCAN` with `metric="precomputed"`, the input distance matrix is modified after calling `fit_predict()`. The original `hdbscan` package (v0.8.40) works correctly. ### Steps/Code to Reproduce ```py import numpy as ...
31,907
https://github.com/scikit-learn/scikit-learn/issues/31907
[ "Bug", "module:cluster" ]
HDBSCAN modifies input precomputed distance matrix ### Describe the bug When using `sklearn.cluster.HDBSCAN` with `metric="precomputed"`, the input distance matrix is modified after calling `fit_predict()`. The original `hdbscan` package (v0.8.40) works correctly. ### Steps/Code to Reproduce ```py import numpy as ...
31,907
https://github.com/scikit-learn/scikit-learn/issues/31907
[ "Bug", "module:cluster" ]
HDBSCAN modifies input precomputed distance matrix ### Describe the bug When using `sklearn.cluster.HDBSCAN` with `metric="precomputed"`, the input distance matrix is modified after calling `fit_predict()`. The original `hdbscan` package (v0.8.40) works correctly. ### Steps/Code to Reproduce ```py import numpy as ...
31,907
https://github.com/scikit-learn/scikit-learn/issues/31907
[ "Bug", "module:cluster" ]
HDBSCAN modifies input precomputed distance matrix ### Describe the bug When using `sklearn.cluster.HDBSCAN` with `metric="precomputed"`, the input distance matrix is modified after calling `fit_predict()`. The original `hdbscan` package (v0.8.40) works correctly. ### Steps/Code to Reproduce ```py import numpy as ...
31,907
https://github.com/scikit-learn/scikit-learn/issues/31907
[ "Bug", "module:cluster" ]
HDBSCAN modifies input precomputed distance matrix ### Describe the bug When using `sklearn.cluster.HDBSCAN` with `metric="precomputed"`, the input distance matrix is modified after calling `fit_predict()`. The original `hdbscan` package (v0.8.40) works correctly. ### Steps/Code to Reproduce ```py import numpy as ...
31,907
https://github.com/scikit-learn/scikit-learn/issues/31904
[ "Needs Triage" ]
⚠️ CI failed on Linux_Runs.pylatest_conda_forge_mkl (last failure: Aug 17, 2025) ⚠️ **CI is still failing on [Linux_Runs.pylatest_conda_forge_mkl](https://dev.azure.com/scikit-learn/scikit-learn/_build/results?buildId=79126&view=logs&j=dde5042c-7464-5d47-9507-31bdd2ee0a3a)** (Aug 17, 2025) - Test Collection Failure C...
31,904
https://github.com/scikit-learn/scikit-learn/issues/31904
[ "Needs Triage" ]
⚠️ CI failed on Linux_Runs.pylatest_conda_forge_mkl (last failure: Aug 17, 2025) ⚠️ **CI is still failing on [Linux_Runs.pylatest_conda_forge_mkl](https://dev.azure.com/scikit-learn/scikit-learn/_build/results?buildId=79126&view=logs&j=dde5042c-7464-5d47-9507-31bdd2ee0a3a)** (Aug 17, 2025) - Test Collection Failure C...
31,904
https://github.com/scikit-learn/scikit-learn/issues/31901
[ "New Feature", "Needs Triage" ]
QuantileTransformer is incredibly slow ### Describe the workflow you want to enable This is a feature request to improve performance of the QuantileTransformer. It takes ~60 minutes to fit, uses a huge amount of memory when transforming large non-sparse dataframes with 30M+ rows and 500 columns. It also does not supp...
31,901
https://github.com/scikit-learn/scikit-learn/issues/31901
[ "New Feature", "Needs Triage" ]
QuantileTransformer is incredibly slow ### Describe the workflow you want to enable This is a feature request to improve performance of the QuantileTransformer. It takes ~60 minutes to fit, uses a huge amount of memory when transforming large non-sparse dataframes with 30M+ rows and 500 columns. It also does not supp...
31,901
https://github.com/scikit-learn/scikit-learn/issues/31901
[ "New Feature", "Needs Triage" ]
QuantileTransformer is incredibly slow ### Describe the workflow you want to enable This is a feature request to improve performance of the QuantileTransformer. It takes ~60 minutes to fit, uses a huge amount of memory when transforming large non-sparse dataframes with 30M+ rows and 500 columns. It also does not supp...
31,901
https://github.com/scikit-learn/scikit-learn/issues/31901
[ "New Feature", "Needs Triage" ]
QuantileTransformer is incredibly slow ### Describe the workflow you want to enable This is a feature request to improve performance of the QuantileTransformer. It takes ~60 minutes to fit, uses a huge amount of memory when transforming large non-sparse dataframes with 30M+ rows and 500 columns. It also does not supp...
31,901
https://github.com/scikit-learn/scikit-learn/issues/31901
[ "New Feature", "Needs Triage" ]
QuantileTransformer is incredibly slow ### Describe the workflow you want to enable This is a feature request to improve performance of the QuantileTransformer. It takes ~60 minutes to fit, uses a huge amount of memory when transforming large non-sparse dataframes with 30M+ rows and 500 columns. It also does not supp...
31,901
https://github.com/scikit-learn/scikit-learn/issues/31901
[ "New Feature", "Needs Triage" ]
QuantileTransformer is incredibly slow ### Describe the workflow you want to enable This is a feature request to improve performance of the QuantileTransformer. It takes ~60 minutes to fit, uses a huge amount of memory when transforming large non-sparse dataframes with 30M+ rows and 500 columns. It also does not supp...
31,901
https://github.com/scikit-learn/scikit-learn/issues/31901
[ "New Feature", "Needs Triage" ]
QuantileTransformer is incredibly slow ### Describe the workflow you want to enable This is a feature request to improve performance of the QuantileTransformer. It takes ~60 minutes to fit, uses a huge amount of memory when transforming large non-sparse dataframes with 30M+ rows and 500 columns. It also does not supp...
31,901
https://github.com/scikit-learn/scikit-learn/issues/31901
[ "New Feature", "Needs Triage" ]
QuantileTransformer is incredibly slow ### Describe the workflow you want to enable This is a feature request to improve performance of the QuantileTransformer. It takes ~60 minutes to fit, uses a huge amount of memory when transforming large non-sparse dataframes with 30M+ rows and 500 columns. It also does not supp...
31,901
https://github.com/scikit-learn/scikit-learn/issues/31901
[ "New Feature", "Needs Triage" ]
QuantileTransformer is incredibly slow ### Describe the workflow you want to enable This is a feature request to improve performance of the QuantileTransformer. It takes ~60 minutes to fit, uses a huge amount of memory when transforming large non-sparse dataframes with 30M+ rows and 500 columns. It also does not supp...
31,901
https://github.com/scikit-learn/scikit-learn/issues/31901
[ "New Feature", "Needs Triage" ]
QuantileTransformer is incredibly slow ### Describe the workflow you want to enable This is a feature request to improve performance of the QuantileTransformer. It takes ~60 minutes to fit, uses a huge amount of memory when transforming large non-sparse dataframes with 30M+ rows and 500 columns. It also does not supp...
31,901
https://github.com/scikit-learn/scikit-learn/issues/31901
[ "New Feature", "Needs Triage" ]
QuantileTransformer is incredibly slow ### Describe the workflow you want to enable This is a feature request to improve performance of the QuantileTransformer. It takes ~60 minutes to fit, uses a huge amount of memory when transforming large non-sparse dataframes with 30M+ rows and 500 columns. It also does not supp...
31,901
https://github.com/scikit-learn/scikit-learn/issues/31901
[ "New Feature", "Needs Triage" ]
QuantileTransformer is incredibly slow ### Describe the workflow you want to enable This is a feature request to improve performance of the QuantileTransformer. It takes ~60 minutes to fit, uses a huge amount of memory when transforming large non-sparse dataframes with 30M+ rows and 500 columns. It also does not supp...
31,901
https://github.com/scikit-learn/scikit-learn/issues/31901
[ "New Feature", "Needs Triage" ]
QuantileTransformer is incredibly slow ### Describe the workflow you want to enable This is a feature request to improve performance of the QuantileTransformer. It takes ~60 minutes to fit, uses a huge amount of memory when transforming large non-sparse dataframes with 30M+ rows and 500 columns. It also does not supp...
31,901
https://github.com/scikit-learn/scikit-learn/issues/31899
[ "New Feature" ]
Add `covariance_estimator` to `QuadraticDiscriminantAnalysis`? ### Describe the workflow you want to enable `LinearDiscriminantAnalysis` has an optional `covariance_estimator` parameter, while the similar `QuadraticDiscriminantAnalysis` does not. QDA is even more sensitive than LDA to covariance estimation. Would it...
31,899
https://github.com/scikit-learn/scikit-learn/issues/31899
[ "New Feature" ]
Add `covariance_estimator` to `QuadraticDiscriminantAnalysis`? ### Describe the workflow you want to enable `LinearDiscriminantAnalysis` has an optional `covariance_estimator` parameter, while the similar `QuadraticDiscriminantAnalysis` does not. QDA is even more sensitive than LDA to covariance estimation. Would it...
31,899
https://github.com/scikit-learn/scikit-learn/issues/31899
[ "New Feature" ]
Add `covariance_estimator` to `QuadraticDiscriminantAnalysis`? ### Describe the workflow you want to enable `LinearDiscriminantAnalysis` has an optional `covariance_estimator` parameter, while the similar `QuadraticDiscriminantAnalysis` does not. QDA is even more sensitive than LDA to covariance estimation. Would it...
31,899
https://github.com/scikit-learn/scikit-learn/issues/31899
[ "New Feature" ]
Add `covariance_estimator` to `QuadraticDiscriminantAnalysis`? ### Describe the workflow you want to enable `LinearDiscriminantAnalysis` has an optional `covariance_estimator` parameter, while the similar `QuadraticDiscriminantAnalysis` does not. QDA is even more sensitive than LDA to covariance estimation. Would it...
31,899
https://github.com/scikit-learn/scikit-learn/issues/31899
[ "New Feature" ]
Add `covariance_estimator` to `QuadraticDiscriminantAnalysis`? ### Describe the workflow you want to enable `LinearDiscriminantAnalysis` has an optional `covariance_estimator` parameter, while the similar `QuadraticDiscriminantAnalysis` does not. QDA is even more sensitive than LDA to covariance estimation. Would it...
31,899
https://github.com/scikit-learn/scikit-learn/issues/31899
[ "New Feature" ]
Add `covariance_estimator` to `QuadraticDiscriminantAnalysis`? ### Describe the workflow you want to enable `LinearDiscriminantAnalysis` has an optional `covariance_estimator` parameter, while the similar `QuadraticDiscriminantAnalysis` does not. QDA is even more sensitive than LDA to covariance estimation. Would it...
31,899
https://github.com/scikit-learn/scikit-learn/issues/31896
[ "Needs Triage" ]
⚠️ CI failed on Wheel builder (last failure: Aug 08, 2025) ⚠️ **CI failed on [Wheel builder](https://github.com/scikit-learn/scikit-learn/actions/runs/16821604494)** (Aug 08, 2025) COMMENT: ## CI is no longer failing! ✅ [Successful run](https://github.com/scikit-learn/scikit-learn/actions/runs/16821604494) on Aug 08...
31,896
https://github.com/scikit-learn/scikit-learn/issues/31894
[ "Bug" ]
TunedThreasholdClassiffierCV not understanding `func(y_pred, y_true, ...)` as a valid `scoring` This code ```py from sklearn.model_selection import TunedThresholdClassifierCV from sklearn.linear_model import LogisticRegression from sklearn.datasets import make_classification import sklearn import numpy as np sklearn...
31,894
https://github.com/scikit-learn/scikit-learn/issues/31894
[ "Bug" ]
TunedThreasholdClassiffierCV not understanding `func(y_pred, y_true, ...)` as a valid `scoring` This code ```py from sklearn.model_selection import TunedThresholdClassifierCV from sklearn.linear_model import LogisticRegression from sklearn.datasets import make_classification import sklearn import numpy as np sklearn...
31,894
https://github.com/scikit-learn/scikit-learn/issues/31894
[ "Bug" ]
TunedThreasholdClassiffierCV not understanding `func(y_pred, y_true, ...)` as a valid `scoring` This code ```py from sklearn.model_selection import TunedThresholdClassifierCV from sklearn.linear_model import LogisticRegression from sklearn.datasets import make_classification import sklearn import numpy as np sklearn...
31,894
https://github.com/scikit-learn/scikit-learn/issues/31894
[ "Bug" ]
TunedThreasholdClassiffierCV not understanding `func(y_pred, y_true, ...)` as a valid `scoring` This code ```py from sklearn.model_selection import TunedThresholdClassifierCV from sklearn.linear_model import LogisticRegression from sklearn.datasets import make_classification import sklearn import numpy as np sklearn...
31,894
https://github.com/scikit-learn/scikit-learn/issues/31894
[ "Bug" ]
TunedThreasholdClassiffierCV not understanding `func(y_pred, y_true, ...)` as a valid `scoring` This code ```py from sklearn.model_selection import TunedThresholdClassifierCV from sklearn.linear_model import LogisticRegression from sklearn.datasets import make_classification import sklearn import numpy as np sklearn...
31,894
https://github.com/scikit-learn/scikit-learn/issues/31889
[ "Bug", "API", "module:metrics" ]
We don't support `func(estimator, X, y, ...)` across the board as a scorer Our documentation [here](https://scikit-learn.org/stable/modules/model_evaluation.html#custom-scorer-objects-from-scratch) states a callable with a `(estimator, X, y)` is a valid scorer. However, it isn't. In https://github.com/scikit-learn/sc...
31,889
https://github.com/scikit-learn/scikit-learn/issues/31889
[ "Bug", "API", "module:metrics" ]
We don't support `func(estimator, X, y, ...)` across the board as a scorer Our documentation [here](https://scikit-learn.org/stable/modules/model_evaluation.html#custom-scorer-objects-from-scratch) states a callable with a `(estimator, X, y)` is a valid scorer. However, it isn't. In https://github.com/scikit-learn/sc...
31,889
https://github.com/scikit-learn/scikit-learn/issues/31889
[ "Bug", "API", "module:metrics" ]
We don't support `func(estimator, X, y, ...)` across the board as a scorer Our documentation [here](https://scikit-learn.org/stable/modules/model_evaluation.html#custom-scorer-objects-from-scratch) states a callable with a `(estimator, X, y)` is a valid scorer. However, it isn't. In https://github.com/scikit-learn/sc...
31,889
https://github.com/scikit-learn/scikit-learn/issues/31889
[ "Bug", "API", "module:metrics" ]
We don't support `func(estimator, X, y, ...)` across the board as a scorer Our documentation [here](https://scikit-learn.org/stable/modules/model_evaluation.html#custom-scorer-objects-from-scratch) states a callable with a `(estimator, X, y)` is a valid scorer. However, it isn't. In https://github.com/scikit-learn/sc...
31,889
https://github.com/scikit-learn/scikit-learn/issues/31889
[ "Bug", "API", "module:metrics" ]
We don't support `func(estimator, X, y, ...)` across the board as a scorer Our documentation [here](https://scikit-learn.org/stable/modules/model_evaluation.html#custom-scorer-objects-from-scratch) states a callable with a `(estimator, X, y)` is a valid scorer. However, it isn't. In https://github.com/scikit-learn/sc...
31,889
https://github.com/scikit-learn/scikit-learn/issues/31889
[ "Bug", "API", "module:metrics" ]
We don't support `func(estimator, X, y, ...)` across the board as a scorer Our documentation [here](https://scikit-learn.org/stable/modules/model_evaluation.html#custom-scorer-objects-from-scratch) states a callable with a `(estimator, X, y)` is a valid scorer. However, it isn't. In https://github.com/scikit-learn/sc...
31,889
https://github.com/scikit-learn/scikit-learn/issues/31885
[ "Bug", "Moderate" ]
`SVC(probability=True)` is not thread-safe This was discovered while running: ``` pytest -v --parallel-threads=4 --iterations=2 sklearn/svm/tests/test_sparse.py ``` before including the fix pushed to #30041 under https://github.com/scikit-learn/scikit-learn/pull/30041/commits/bce2b4eb7d5ab49cf758f98c667e86243883d1d...
31,885
https://github.com/scikit-learn/scikit-learn/issues/31885
[ "Bug", "Moderate" ]
`SVC(probability=True)` is not thread-safe This was discovered while running: ``` pytest -v --parallel-threads=4 --iterations=2 sklearn/svm/tests/test_sparse.py ``` before including the fix pushed to #30041 under https://github.com/scikit-learn/scikit-learn/pull/30041/commits/bce2b4eb7d5ab49cf758f98c667e86243883d1d...
31,885
https://github.com/scikit-learn/scikit-learn/issues/31885
[ "Bug", "Moderate" ]
`SVC(probability=True)` is not thread-safe This was discovered while running: ``` pytest -v --parallel-threads=4 --iterations=2 sklearn/svm/tests/test_sparse.py ``` before including the fix pushed to #30041 under https://github.com/scikit-learn/scikit-learn/pull/30041/commits/bce2b4eb7d5ab49cf758f98c667e86243883d1d...
31,885
https://github.com/scikit-learn/scikit-learn/issues/31885
[ "Bug", "Moderate" ]
`SVC(probability=True)` is not thread-safe This was discovered while running: ``` pytest -v --parallel-threads=4 --iterations=2 sklearn/svm/tests/test_sparse.py ``` before including the fix pushed to #30041 under https://github.com/scikit-learn/scikit-learn/pull/30041/commits/bce2b4eb7d5ab49cf758f98c667e86243883d1d...
31,885
https://github.com/scikit-learn/scikit-learn/issues/31885
[ "Bug", "Moderate" ]
`SVC(probability=True)` is not thread-safe This was discovered while running: ``` pytest -v --parallel-threads=4 --iterations=2 sklearn/svm/tests/test_sparse.py ``` before including the fix pushed to #30041 under https://github.com/scikit-learn/scikit-learn/pull/30041/commits/bce2b4eb7d5ab49cf758f98c667e86243883d1d...
31,885
https://github.com/scikit-learn/scikit-learn/issues/31885
[ "Bug", "Moderate" ]
`SVC(probability=True)` is not thread-safe This was discovered while running: ``` pytest -v --parallel-threads=4 --iterations=2 sklearn/svm/tests/test_sparse.py ``` before including the fix pushed to #30041 under https://github.com/scikit-learn/scikit-learn/pull/30041/commits/bce2b4eb7d5ab49cf758f98c667e86243883d1d...
31,885
https://github.com/scikit-learn/scikit-learn/issues/31885
[ "Bug", "Moderate" ]
`SVC(probability=True)` is not thread-safe This was discovered while running: ``` pytest -v --parallel-threads=4 --iterations=2 sklearn/svm/tests/test_sparse.py ``` before including the fix pushed to #30041 under https://github.com/scikit-learn/scikit-learn/pull/30041/commits/bce2b4eb7d5ab49cf758f98c667e86243883d1d...
31,885
https://github.com/scikit-learn/scikit-learn/issues/31885
[ "Bug", "Moderate" ]
`SVC(probability=True)` is not thread-safe This was discovered while running: ``` pytest -v --parallel-threads=4 --iterations=2 sklearn/svm/tests/test_sparse.py ``` before including the fix pushed to #30041 under https://github.com/scikit-learn/scikit-learn/pull/30041/commits/bce2b4eb7d5ab49cf758f98c667e86243883d1d...
31,885
https://github.com/scikit-learn/scikit-learn/issues/31884
[ "Bug" ]
pairwise_distances_argmin_min / ArgKMin64 is not thread-safe ### Describe the bug Problem found while test investigating failures found in #30041. I crafted a minimal reproducer below. It might be caused by a race condition (corruption) of shared intermediate buffers used in OpenMP threads. Some remarks: - the prob...
31,884
https://github.com/scikit-learn/scikit-learn/issues/31884
[ "Bug" ]
pairwise_distances_argmin_min / ArgKMin64 is not thread-safe ### Describe the bug Problem found while test investigating failures found in #30041. I crafted a minimal reproducer below. It might be caused by a race condition (corruption) of shared intermediate buffers used in OpenMP threads. Some remarks: - the prob...
31,884
https://github.com/scikit-learn/scikit-learn/issues/31884
[ "Bug" ]
pairwise_distances_argmin_min / ArgKMin64 is not thread-safe ### Describe the bug Problem found while test investigating failures found in #30041. I crafted a minimal reproducer below. It might be caused by a race condition (corruption) of shared intermediate buffers used in OpenMP threads. Some remarks: - the prob...
31,884
https://github.com/scikit-learn/scikit-learn/issues/31884
[ "Bug" ]
pairwise_distances_argmin_min / ArgKMin64 is not thread-safe ### Describe the bug Problem found while test investigating failures found in #30041. I crafted a minimal reproducer below. It might be caused by a race condition (corruption) of shared intermediate buffers used in OpenMP threads. Some remarks: - the prob...
31,884
https://github.com/scikit-learn/scikit-learn/issues/31884
[ "Bug" ]
pairwise_distances_argmin_min / ArgKMin64 is not thread-safe ### Describe the bug Problem found while test investigating failures found in #30041. I crafted a minimal reproducer below. It might be caused by a race condition (corruption) of shared intermediate buffers used in OpenMP threads. Some remarks: - the prob...
31,884
https://github.com/scikit-learn/scikit-learn/issues/31884
[ "Bug" ]
pairwise_distances_argmin_min / ArgKMin64 is not thread-safe ### Describe the bug Problem found while test investigating failures found in #30041. I crafted a minimal reproducer below. It might be caused by a race condition (corruption) of shared intermediate buffers used in OpenMP threads. Some remarks: - the prob...
31,884
https://github.com/scikit-learn/scikit-learn/issues/31884
[ "Bug" ]
pairwise_distances_argmin_min / ArgKMin64 is not thread-safe ### Describe the bug Problem found while test investigating failures found in #30041. I crafted a minimal reproducer below. It might be caused by a race condition (corruption) of shared intermediate buffers used in OpenMP threads. Some remarks: - the prob...
31,884
https://github.com/scikit-learn/scikit-learn/issues/31884
[ "Bug" ]
pairwise_distances_argmin_min / ArgKMin64 is not thread-safe ### Describe the bug Problem found while test investigating failures found in #30041. I crafted a minimal reproducer below. It might be caused by a race condition (corruption) of shared intermediate buffers used in OpenMP threads. Some remarks: - the prob...
31,884
https://github.com/scikit-learn/scikit-learn/issues/31884
[ "Bug" ]
pairwise_distances_argmin_min / ArgKMin64 is not thread-safe ### Describe the bug Problem found while test investigating failures found in #30041. I crafted a minimal reproducer below. It might be caused by a race condition (corruption) of shared intermediate buffers used in OpenMP threads. Some remarks: - the prob...
31,884
https://github.com/scikit-learn/scikit-learn/issues/31884
[ "Bug" ]
pairwise_distances_argmin_min / ArgKMin64 is not thread-safe ### Describe the bug Problem found while test investigating failures found in #30041. I crafted a minimal reproducer below. It might be caused by a race condition (corruption) of shared intermediate buffers used in OpenMP threads. Some remarks: - the prob...
31,884
https://github.com/scikit-learn/scikit-learn/issues/31884
[ "Bug" ]
pairwise_distances_argmin_min / ArgKMin64 is not thread-safe ### Describe the bug Problem found while test investigating failures found in #30041. I crafted a minimal reproducer below. It might be caused by a race condition (corruption) of shared intermediate buffers used in OpenMP threads. Some remarks: - the prob...
31,884
https://github.com/scikit-learn/scikit-learn/issues/31884
[ "Bug" ]
pairwise_distances_argmin_min / ArgKMin64 is not thread-safe ### Describe the bug Problem found while test investigating failures found in #30041. I crafted a minimal reproducer below. It might be caused by a race condition (corruption) of shared intermediate buffers used in OpenMP threads. Some remarks: - the prob...
31,884
https://github.com/scikit-learn/scikit-learn/issues/31884
[ "Bug" ]
pairwise_distances_argmin_min / ArgKMin64 is not thread-safe ### Describe the bug Problem found while test investigating failures found in #30041. I crafted a minimal reproducer below. It might be caused by a race condition (corruption) of shared intermediate buffers used in OpenMP threads. Some remarks: - the prob...
31,884
https://github.com/scikit-learn/scikit-learn/issues/31884
[ "Bug" ]
pairwise_distances_argmin_min / ArgKMin64 is not thread-safe ### Describe the bug Problem found while test investigating failures found in #30041. I crafted a minimal reproducer below. It might be caused by a race condition (corruption) of shared intermediate buffers used in OpenMP threads. Some remarks: - the prob...
31,884
https://github.com/scikit-learn/scikit-learn/issues/31884
[ "Bug" ]
pairwise_distances_argmin_min / ArgKMin64 is not thread-safe ### Describe the bug Problem found while test investigating failures found in #30041. I crafted a minimal reproducer below. It might be caused by a race condition (corruption) of shared intermediate buffers used in OpenMP threads. Some remarks: - the prob...
31,884
https://github.com/scikit-learn/scikit-learn/issues/31883
[ "Bug" ]
Fitting different instances of `LinearSVR` is not thread-safe ### Describe the bug Found while working on #30041. See the reproducer below. Fitting `LinearSVR` probably relies on a shared global state in the C++ code and that introduces a race condition when fitting several models concurrently in different threads. ...
31,883
https://github.com/scikit-learn/scikit-learn/issues/31883
[ "Bug" ]
Fitting different instances of `LinearSVR` is not thread-safe ### Describe the bug Found while working on #30041. See the reproducer below. Fitting `LinearSVR` probably relies on a shared global state in the C++ code and that introduces a race condition when fitting several models concurrently in different threads. ...
31,883
https://github.com/scikit-learn/scikit-learn/issues/31883
[ "Bug" ]
Fitting different instances of `LinearSVR` is not thread-safe ### Describe the bug Found while working on #30041. See the reproducer below. Fitting `LinearSVR` probably relies on a shared global state in the C++ code and that introduces a race condition when fitting several models concurrently in different threads. ...
31,883
https://github.com/scikit-learn/scikit-learn/issues/31872
[ "Bug" ]
Strange normalization of semi-supervised label propagation in `_build_graph` The method `_build_graph` on the `LabelPropagation` class in `sklearn/semi_supervised/_label_propagation.py` [(line 455)](https://github.com/scikit-learn/scikit-learn/blob/7d1d96819172e2a7c826f04c68b9d93188cf6a92/sklearn/semi_supervised/_labe...
31,872
https://github.com/scikit-learn/scikit-learn/issues/31872
[ "Bug" ]
Strange normalization of semi-supervised label propagation in `_build_graph` The method `_build_graph` on the `LabelPropagation` class in `sklearn/semi_supervised/_label_propagation.py` [(line 455)](https://github.com/scikit-learn/scikit-learn/blob/7d1d96819172e2a7c826f04c68b9d93188cf6a92/sklearn/semi_supervised/_labe...
31,872