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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33259 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33259/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33259/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33259/events | https://github.com/scikit-learn/scikit-learn/pull/33259 | 3,923,657,865 | PR_kwDOAAzd1s7C2vYs | 33,259 | Fix broken BNP Paribas logo link in documentation homepage | {
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The correct asset already exists as `bnp-paribas.jpg`.
This change updates the reference so the logo renders correctly again.
Fixes #33256 | {
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This PR adds `min_cardinality` and `max_cardinality` parameters to `make_column_selector`.
It helps in filtering columns based on their number of unique values (e.g., identifying constant columns or high-cardinality categorical features). | null | {
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33257 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33257/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33257/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33257/events | https://github.com/scikit-learn/scikit-learn/pull/33257 | 3,921,840,751 | PR_kwDOAAzd1s7CwwC- | 33,257 | FIX avoid repeated third-party deprecation warnings in process-based Parallel | {
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This PR reduces repeated third-party deprecation warnings in process-based parallel runs.
Related to #33230.
The issue can be reproduced with `permutation_importance(..., n_jobs=-1)` after importing `hyperopt`.
Before this change, the same `pkg_resources` deprecation warning is emitted many times f... | {
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logo does not render correctly.
Instead of the logo image, only the fallback text "BNP" is displayed,
which suggests the image asset is missing or failing to load.
Steps to reproduce:
1. Open https://scikit-learn.org/stable/
2. Scroll to the fo... | {
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33255 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33255/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33255/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33255/events | https://github.com/scikit-learn/scikit-learn/pull/33255 | 3,917,781,864 | PR_kwDOAAzd1s7CjiTJ | 33,255 | ENH: Add min_cardinality and max_cardinality to make_column_selector | {
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Closes #15873. See also #22923.
#### What does this implement/fix?
Adds `min_cardinality` and `max_cardinality` parameters to `make_column_selector`, enabling cardinality-based column selection. This addresses the feature request in #15873 and incorporates the API feedback from maintainers ... | {
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33254 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33254/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33254/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33254/events | https://github.com/scikit-learn/scikit-learn/pull/33254 | 3,917,282,638 | PR_kwDOAAzd1s7Ch4sh | 33,254 | DOC copy note on calibration to Brier score loss | {
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None
#### What does this implement/fix? Explain your changes.
This PR copies the note on the Brier score decomposition and what it means for calibration from the calibration section of the user guide to the Brier score loss.
#### AI usage disclosure
None
#### Any other comments?
... | {
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None
#### What does this implement/fix? Explain your changes.
Small addition or clarification for the D2 Brier score.
#### AI usage disclosure
None
#### Any other comments?
None | {
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Fixes #33167
Follow-up/supersedes #33222
#### What does this implement/fix? Explain your changes.
Why we need intro sort for `simultaneous_sort`: see issue #33167 and PR #33222.
And because intro sort was already implemented for decision it made sense to share common bits in a s... | null | {
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### Changes
- Adds a hover box-shadow effect to clickable example gallery thumbnails
- Adds a small `[source]` label using `figure > a::after`
### Motivation
Clickable images currently look like normal static plots, so users often miss that they link to... | null | {
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The original link to the California Housing dataset (dcc.fc.up.pt) is down and returning a 504 Gateway Timeout.
This PR replaces the broken link in the comments with a working Wayback Machine archive link, as verified by manual download. | {
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### What does this implement/fix? Explain your changes.
As explained in #33032, the `cond` choice in PR #30040 to solve #26164 introduced new bugs for instance on float32 data. This PR reverts the changes made in #30040 and adds a reproducer for the bugs reported in #33032.
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Updated the install instructions to be more explicit, python doesn't always point to python3 on macOS
#### AI usage disclosure
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33242 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33242/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33242/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33242/events | https://github.com/scikit-learn/scikit-learn/issues/33242 | 3,913,551,399 | I_kwDOAAzd1s7pRA4n | 33,242 | The eigsh call in spectral embedding is done wrong and differently from what is described in the comments | {
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The way `eigsh` is run in the spectral embedding routine is suboptimal and not consistent with what is described in the comments there.
Here are the relevant bits from https://github.com/scikit-learn/scikit-learn/blob/main/sklearn/manifold/_spectral_... | null | {
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Remove extra space between link markup and description text for Scikit-Learn Laboratory entry to maintain consistency with other project listings.
#### AI usage disclosure
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Follow-up of PR #29477 / issue #20813.
#### What does this implement/fix? Explain your changes.
This PR removes some leftover author names.
#### AI usage disclosure
No.
#### Any other comments?
Remaining are:
- `sklearn.utils.optimize.py` (kind of a license redistribution notice) | {
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Add IncrementalLearningWrapper to enable partial_fit usage with automatic batch management.
### Describe your proposed solution
Wrapper for partial_fit with streaming data support
### Describe alternatives you've considered, if relevant
_No response_
### Additional con... | {
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Add specialized metrics for imbalanced datasets including macro and weighted variants.
### Describe your proposed solution
Extend metrics module with imbalance-aware scoring
### Describe alternatives you've considered, if relevant
_No response_
### Additional context
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Add PerformanceDegradationDetector to monitor and alert when model performance decreases significantly.
### Describe your proposed solution
Use statistical tests to detect performance changes
### Describe alternatives you've considered, if relevant
_No response_
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### Describe your proposed solution
Use correlation matri... | {
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Add adaptive learning rate schedulers for SGDClassifier/Regressor. Implement PolynomialDecay and ExponentialDecay schedulers with configurable parameAdd metrics to evaluate classifier robustness to adversarial perturbations and noise. Include RobustnessScore and Adversarial... | {
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} | ### Describe the workflow you want to enable
Add explainability metrics to understand feature contributions using SHAP-like approach in sklearn.inspection. Include LocalExplainability and FeatureContribution classes.
```python
class LocalExplainability:
def explain_prediction(self, X, y_pred):
# Calculate... | {
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## Proposed Feature
Add a utility function to analyze feature importance across different hyperparameter values, helping users understand which hyperparameters have the most impact on model performance.
## Proposed Implementation
```python
# Add to sklearn.model_selectio... | {
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33232 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33232/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33232/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33232/events | https://github.com/scikit-learn/scikit-learn/pull/33232 | 3,910,233,870 | PR_kwDOAAzd1s7CLG34 | 33,232 | Adjusted the line spacing | {
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#### What does this implement/fix? Explain your changes.
adjust the line spacing
I used AI assistance for:
- [ ] Code generation (e.g., when writing an implementation or fixing a bug)
- [ ] Test/benchmark generation
- [ ] Documentation (including examples)
- [x] Research and understanding
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The link: https://www.dcc.fc.up.pt/~ltorgo/Regression/cal_housing.tgz redirects to 504 Gateway Time-out.
### Steps/Code to Reproduce
Dataset link issue.
### Expected Results
The link might get changed.
### Actual Results
504 Gateway Time-out
#... | {
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} | ### Describe the bug and give evidence about its user-facing impact
The permutation_importance() in combination with import hyperopt causes UserWarning about deprecated pkg_resources from multiprocessing with reference of removal as early as 2025-11-30 as example below shows.
### Steps/Code to Reproduce
```py
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🙌 Thanks for contributing a pull request!
👀 Please ensure you have taken a look at the contribution guidelines:
https://github.com/scikit-learn/scikit-learn/blob/main/CONTRIBUTING.md
✅ In particular following the pull request checklist will increase the likelihood
of having maintainers review your PR:
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#### What does this implement/fix? Explain your changes.
I just adjusted the line spacing of the file keeping everything else the same
#### AI usage disclosure
<!--
If AI tools were involved in creating this PR, please check all boxes that apply
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```
gaussian_process/tests/test_gpc.py ····································· [ 15%]
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33225 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33225/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33225/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33225/events | https://github.com/scikit-learn/scikit-learn/pull/33225 | 3,906,615,080 | PR_kwDOAAzd1s7B_V2V | 33,225 | TST Use assert_allclose to compare floats | {
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33224 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33224/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33224/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33224/events | https://github.com/scikit-learn/scikit-learn/pull/33224 | 3,906,517,116 | PR_kwDOAAzd1s7B_Ai_ | 33,224 | DOC Rephrase the param description of "name" in RocCurveDisplay | {
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Better separate the 3 possibilities for the parameter and clearer description of how the para is used.
@lucyleeow what do you think ? | {
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33223 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33223/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33223/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33223/events | https://github.com/scikit-learn/scikit-learn/pull/33223 | 3,906,220,728 | PR_kwDOAAzd1s7B-A9Y | 33,223 | TST Refactor out helper in `pos_label` display curve tests | {
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Related to #33218 and https://github.com/scikit-learn/scikit-learn/pull/33217
Part of PRs to move test related changes out of #30508 and into separate PR
#### What does this implement/fix? Explain your changes.
Takes the common part of `test_plot_roc_curve_pos_label` (which is shared w... | {
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33222 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33222/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33222/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33222/events | https://github.com/scikit-learn/scikit-learn/pull/33222 | 3,906,162,022 | PR_kwDOAAzd1s7B90bj | 33,222 | FIX: avoid quadratic path for constant arrays in `simultaneous_sort` | {
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"node_id": "MDU6TGFiZWwyOTExMD... | open | false | [] | null | 1 | 2026-02-06T10:52:58 | 2026-02-18T10:58:08 | null | null | CONTRIBUTOR | null | null | null | null | #### Reference Issues/PRs
Fixes partially #33167
#### Context: quick sort variants & intro sort
In quick sort, you pick a pivot and then partition the array, but there are variants on how to partition the array:
- 2-way partition: partition the array in `[x < pivot] [x >= pivot]` which is what is currently im... | null | {
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33221 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33221/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33221/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33221/events | https://github.com/scikit-learn/scikit-learn/pull/33221 | 3,906,098,710 | PR_kwDOAAzd1s7B9mnu | 33,221 | FIX add missing random states and cloning in `test_response.py` | {
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🙌 Thanks for contributing a pull request!
👀 Please ensure you have taken a look at the contribution guidelines:
https://github.com/scikit-learn/scikit-learn/blob/main/CONTRIBUTING.md
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33220 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33220/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33220/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33220/events | https://github.com/scikit-learn/scikit-learn/issues/33220 | 3,905,897,335 | I_kwDOAAzd1s7oz0N3 | 33,220 | ENH partial_dependence should not require to inherit from BaseEstimator | {
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`partial_dependence` requires that an estimator has `__sklearn_tags__` which basically requires that it inherits from `BaseEstimator`.
```py
import numpy as np
from sklearn.inspection import partial_dependence
X, y = np.arange(5)[:, None], 2.0 * np.arange(5)
def predict(X):
return np.full(shape... | null | {
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33219 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33219/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33219/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33219/events | https://github.com/scikit-learn/scikit-learn/issues/33219 | 3,905,725,309 | I_kwDOAAzd1s7ozKN9 | 33,219 | HDBSCAN fails when using cluster_selection_epsilon | {
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When using `HDBSCAN` with `cluster_selection_epsilon` set to at least 0.015 (for my dataset), I get a `TypeError`.
I only get the error when using `cluster_selection_epsilon`. I don't get this error when using the `hdbscan` package (version 0.8.41) ... | null | {
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33218 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33218/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33218/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33218/events | https://github.com/scikit-learn/scikit-learn/pull/33218 | 3,905,023,223 | PR_kwDOAAzd1s7B6CAR | 33,218 | TST Move common binary Display class tests to `test_common_curve_display.py` | {
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Related to #33217
Moving the test changes from #30508 as requested
#### What does this implement/fix? Explain your changes.
* In #30508 I noticed tests that were common between binary Display classes `PrecisionRecallDisplay` and `RocCurveDisplay` thus I moved them to common test file... | {
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33217 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33217/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33217/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33217/events | https://github.com/scikit-learn/scikit-learn/pull/33217 | 3,904,926,318 | PR_kwDOAAzd1s7B5tGO | 33,217 | TST Add `CalibrationDisplay` to `test_common_curve_display.py` | {
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Noticed when separating test changes out from #30508
#### What does this implement/fix? Explain your changes.
* Adds `CalibrationDisplay` to relevant common tests
* Improves test names and docstrings such that they fit on one line
* Removes redundant test (possibly there via bad mer... | {
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- test_estimators[GradientBoostingRegressor(n_estimators=5)-check_regressors_train]
- test_estimators[GradientBoostingRegressor(n_estimators=5... | {
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33215 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33215/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33215/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33215/events | https://github.com/scikit-learn/scikit-learn/pull/33215 | 3,903,694,166 | PR_kwDOAAzd1s7B1oG0 | 33,215 | ENH: add ExtremeLearningClassifier/Regressor estimators | {
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As part of a new 3-year DOE SC ASCR applied math grant, we've been performing research on gradient free neural network architectures that strike a balance between affordable/efficient (i.e., non-GPU) hardware/compute cost and model accuracy. We found that the open source scientific Python community w... | null | {
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33214 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33214/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33214/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33214/events | https://github.com/scikit-learn/scikit-learn/issues/33214 | 3,902,797,237 | I_kwDOAAzd1s7on_W1 | 33,214 | RFC change default `scoring` of `LogisticRegressionCV` from accuracy to logloss | {
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Reason:
- Logistic Regression minimizes (penalized) log loss when fitting.
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33213 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33213/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33213/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33213/events | https://github.com/scikit-learn/scikit-learn/pull/33213 | 3,901,973,718 | PR_kwDOAAzd1s7Bv5R1 | 33,213 | DOC: clarify hard requirements for estimator compatibility | {
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that full scikit-learn compatibility is defined by passing `check_estimator`
and by making some hard requirements explicit.
The changes focus on emphasis and early discovery of incompatibilities,
without adding new documentation or guid... | {
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🙌 Thanks for contributing a pull request!
👀 Please ensure you have taken a look at the contribution guidelines:
https://github.com/scikit-learn/scikit-learn/blob/main/CONTRIBUTING.md
✅ In particular following the pull request checklist will increase the likelihood
of having maintainers review your PR:
... | null | {
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33210 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33210/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33210/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33210/events | https://github.com/scikit-learn/scikit-learn/pull/33210 | 3,900,889,414 | PR_kwDOAAzd1s7BsQ3G | 33,210 | FIX remove redundant yield of `check_estimator_cloneable` | {
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noticed while reviewing #33197
#### What does this implement/fix? Explain your changes.
Removes a redundant yield of `check_estimator_cloneable`, which had accidentally been introduced in #29832.
`check_estimator_cloneable` is always yielded first in `estimator_checks_generator` and `_yi... | {
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`LogisticRegressionCV` can fail with probabilistic scorers such as `neg_brier_score` and `neg_log_loss` when a cross-validation test fold does not contain all class labels.
The failure occurs because `_log_reg_scoring_path` calls the scorer without passing the full set of class labels. In this case, `y... | {
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NOTE: Closed this PR
Why
`LogisticRegressionCV` fails with `scoring="neg_brier_score"` when a CV test fold does not contain all class labels. In multiclass settings, `brier_score_loss` requires explicit `labels` for probability arrays. A `FIXME` in `_log_reg_scoring_path `already documents this exact ... | {
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```
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No functional changes.
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🙌 Thanks for contributing a pull request!
👀 Please ensure you have taken a look at the contribution guidelines:
https://github.com/scikit-learn/scikit-learn/blob/main/CONTRIBUTING.md
✅ In particular following the pull request checklist will increase the likelihood
of having maintainers review your PR:
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Towards #26024.
#### What does this implement/fix? Explain your changes.
This PR adds array API support to [<code>roc_auc_score</code>](https://scikit-learn.org/stable/modules/generated/sklearn.metrics.roc_auc_score.html).
#### AI usage disclosure
I used AI assistance for:
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33199 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33199/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33199/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33199/events | https://github.com/scikit-learn/scikit-learn/pull/33199 | 3,887,639,711 | PR_kwDOAAzd1s7BAN7O | 33,199 | FIX Exclude all-zero relevance samples from NDCG computation (#29521) | {
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Fixes #29521
When all ground truth relevances are zero for a sample, both DCG and IDCG are 0, making NDCG undefined (0/0). Previously, such samples were assigned a score of 0 and included in averaging, causing `ndcg_score(y, y)` to return values less than 1.0.
According to the original 2002 Jarvelin ... | null | {
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## Changes
- Added `rng_global` fixture that depends on `global_random_seed`
- Renamed the data fixture from `X` to `X_data` to avoid shadowing the module-level `X` array
- Re... | null | {
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Fixes #33154.
The duplication was accidentally introduced in #29712. This PR implements the suggestion to remove the redundancy and ensure tests continue to pass efficiently.
What does this implement/fix? Explain your changes.
In sklearn/utils/estimator_checks.py, the function _yield_classi... | {
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Fixes #14176
#### What does this implement/fix? Explain your changes.
This PR extends the common estimator test `_check_estimator_sparse_container` to test the `transform()` method on different sparse matrix formats (CSR, CSC, COO, LIL, DOK, DIA, BSR), similar to how it already tests `predict... | null | {
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Fixes #24287
#### What does this implement/fix?
This PR adds a comprehensive "References" section to the Common Pitfalls guide with peer-reviewed academic publications that support the recommended practices.
#### What are the changes?
Added references for:
- **Data Splitting**: Xu & ... | null | {
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When introducing `n_classes` for the `DecisionBoundaryDisplay` in https://github.com/scikit-learn/scikit-learn/pull/33015, we didn't think about custom estimators like in [this example](https://scikit-learn.org/dev/auto_examples/cluster/plot_inductiv... | {
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Fixes #15250
#### What does this implement/fix?
This PR enhances the density estimation documentation by adding a new section that explains the relationships between density estimation and other machine learning paradigms.
#### What are the changes?
Added "Connections to Other Machine... | {
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Fixes #12697
#### What does this implement/fix?
This PR documents that BallTree computes node centroids by averaging sample coordinates component-wise, which assumes such averaging produces valid points in the sample space.
#### Any other comments?
This assumption may not hold for cus... | null | {
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Fixes #19178
#### What does this implement/fix?
This PR clarifies in the Nystroem documentation that precomputed kernels are NOT supported, despite 'precomputed' appearing in parameter validation code and `_get_kernel_params` method.
#### Any other comments?
The current implementation... | null | {
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The enhanced description now explains:
- What the parameter does: prevents zero or very small variances that cause numerical issues
- How it's calculated: `var_smoothing * max(var(X, axis=0))`
- Where the result... | null | {
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The documentation now clarifies that:
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- The model does NOT perform co-kriging or multi-task learning
- It does NOT model ... | null | {
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🙌 Thanks for contributing a pull request!
👀 Please ensure you have taken a look at the contribution guidelines:
https://github.com/scikit-learn/scikit-learn/blob/main/CONTRIBUTING.md
✅ In particular following the pull request checklist will increase the likelihood
of having maintainers review your PR:
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The documentation now warns users that binary labeling can produce unexpected results in edge cases (see #20833 for specific example) when many samples have identical LOF scores near the contamination threshold.
The Notes sect... | null | {
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Last monthly meeting (January 26) consensus was to wait 2-3 weeks in case there are side-effects of the pandas 3.0 release (relea... | null | {
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What does this implement/fix? Explain your changes.
Previously MahalanobisDistance class used a shared instance variable self.buffer to store intermidiate calculations which resulted in one thread overwriting other threads data so I have replaced the shared instance buffer , now every thread getting... | null | {
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This PR adds a link to the plot_quantile_regression.py example in the QuantileRegressor class docstring.
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This PR adds a link to the plot_theilsen.py example in the TheilSenRegressor class docstring.
The example demonstrates how Theil-Sen regression is robust against outliers by comparing it with OLS and RANSAC on datasets with outliers. This comparison showcases the key advantage of TheilSenRegressor ... | {
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This PR adds a link to the plot_multi_task_lasso_support.py example in the MultiTaskLasso class docstring.
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This PR adds a link to the plot_omp.py example in the OrthogonalMatchingPursuit class docstring.
The example demonstrates using Orthogonal Matching Pursuit for sparse signal recovery from noisy measurements, which is the primary use case for OrthogonalMatchingPursuit. This link helps users discover... | {
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This PR adds a link to the `plot_lasso_dense_vs_sparse_data.py` example in the Lasso class docstring, specifically in the `precompute` parameter description.
The example demonstrates performance differences between dense and sparse data formats, which is directly relevant to the `precompute` parame... | {
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🙌 Thanks for contributing a pull request!
👀 Please ensure you have taken a look at the contribution guidelines:
https://github.com/scikit-learn/scikit-learn/blob/main/CONTRIBUTING.md
✅ In particular following the pull request checklist will increase the likelihood
of having maintainers review your PR:
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This PR adds a link to the `plot_huber_vs_ridge.py` example in the HuberRegressor class docstring.
The example demonstrates a comparison between HuberRegressor and Ridge on a dataset with outliers, which is a key use case for HuberRegressor. This link helps users discover this practical example dir... | {
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### What does this PR do?
- Raise a ValueError in StratifiedGroupKFold when `n_splits` is greater than the number of unique groups.
This aligns StratifiedGroupKFold with GroupKFold and prevents degenerate (empty) train/test splits in
impossible configurations.
### Why is this needed?
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```
python build_tools/update_environments_and_lock_files.py --select-build debian_32 -vvv
```
[build log](https://github.com/scikit-learn/scikit-learn/actions/runs/21578510209/job/62170869669)
```
Traceback (most recent call last):
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### Note
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### Note
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### Note
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🙌 Thanks for contributing a pull request!
👀 Please ensure you have taken a look at the contribution guidelines:
https://github.com/scikit-learn/scikit-learn/blob/main/CONTRIBUTING.md
✅ In particular following the pull request checklist will increase the likelihood
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👀 Please ensure you have taken a look at the contribution guidelines:
https://github.com/scikit-learn/scikit-learn/blob/main/CONTRIBUTING.md
✅ In particular following the pull request checklist will increase the likelihood
of having maintainers review your PR:
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Fixes #17978.
#### What does this implement/fix? Explain your changes.
`LinearClassifierMixin._predict_proba_lr` might return nan or inf if `decision_function` returns large negative values, because all probabilities are zero in floating point arithmetic (e.g. exp(-1000) = 0).
#### AI ... | {
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I query a dataset with around 1.6M locations using `KDTree.query_radius`. The script dies in a segfault without an informative error message.
### Steps/Code to Reproduce
Data: https://drive.google.com/file/d/1eAr774HknkcfYFHoOjcic0aY4XetCwUe/view?u... | null | {
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Updates `pypa/cibuildwheel` from 3.3.0 to 3.3.1
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/pypa/cibuildwheel/releases">pypa/cibuildwheel's releases</a>.</em></p>
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Context #33033.
#### What does this implement/fix? Explain your changes.
This PR removes `global_random_seed` in `test_logistic.py` where the randomness has zero effect anyway.
#### AI usage disclosure
None
#### Any other comments?
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Improvement on top of #31882, #31986, #31987 and #32014.
#### What does this implement/fix? Explain your changes.
This PR prevents the update of the residual inside the screening if the coefficient is already zero.
#### AI usage disclosure
No
#### Any other comments?
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"node_id": "MDU6... | open | false | [] | null | 4 | 2026-01-30T17:18:33 | 2026-02-26T13:45:17 | null | null | MEMBER | null | null | null | null | ### Reference Issues/PRs
Contributes to #16637.
### What does this implement/fix? Explain your changes.
This PR implements two proximal Newton solvers relying on the available coordinate descent solvers:
- "newton-cd-gram" uses `enet_coordinate_descent_gram`
Good for n_samples >> n_features
- "newton-cd" uses... | null | {
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https://api.github.com/repos/scikit-learn/scikit-learn/issues/33159 | https://api.github.com/repos/scikit-learn/scikit-learn | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33159/labels{/name} | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33159/comments | https://api.github.com/repos/scikit-learn/scikit-learn/issues/33159/events | https://github.com/scikit-learn/scikit-learn/issues/33159 | 3,876,082,654 | I_kwDOAAzd1s7nCFPe | 33,159 | RFC: deprecate `plot` method in DecisionBoundaryDisplay? | {
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} | Repeating this here from https://github.com/scikit-learn/scikit-learn/issues/33115#issuecomment-3784006019:
There are two paths to create a `DecisionBoundaryDisplay` plot (we recommend the second, but the first is also possible):
```
display = DecisionBoundaryDisplay(...)
display.plot()
```
and
```
display = DecisionB... | {
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