html_url
stringlengths
57
57
labels
listlengths
1
6
text
stringlengths
32
258k
issue_number
int64
22.4k
33k
https://github.com/scikit-learn/scikit-learn/issues/27927
[ "Bug" ]
`classification_report` gives micro averages when `labels` is a superset of the observed labels ### Describe the bug When the value of the `labels` parameter is a superset of all observed classes in `y_true` and `y_pred`, `classification_report()` gives separate macro average values for precision, recall, and F1, alt...
27,927
https://github.com/scikit-learn/scikit-learn/issues/27927
[ "Bug" ]
`classification_report` gives micro averages when `labels` is a superset of the observed labels ### Describe the bug When the value of the `labels` parameter is a superset of all observed classes in `y_true` and `y_pred`, `classification_report()` gives separate macro average values for precision, recall, and F1, alt...
27,927
https://github.com/scikit-learn/scikit-learn/issues/27907
[ "Bug" ]
Dummy estimators don't have the `feature_names_in_` nor `n_features_in_` attributes ### Describe the bug `DummyClassifier` and `DummyRegressor` estimators don't have the `feature_names_in_` nor `n_features_in_` attributes. The reason is that they don't call `self._validate_data` during `fit` like other estimators do....
27,907
https://github.com/scikit-learn/scikit-learn/issues/27907
[ "Bug" ]
Dummy estimators don't have the `feature_names_in_` nor `n_features_in_` attributes ### Describe the bug `DummyClassifier` and `DummyRegressor` estimators don't have the `feature_names_in_` nor `n_features_in_` attributes. The reason is that they don't call `self._validate_data` during `fit` like other estimators do....
27,907
https://github.com/scikit-learn/scikit-learn/issues/27907
[ "Bug" ]
Dummy estimators don't have the `feature_names_in_` nor `n_features_in_` attributes ### Describe the bug `DummyClassifier` and `DummyRegressor` estimators don't have the `feature_names_in_` nor `n_features_in_` attributes. The reason is that they don't call `self._validate_data` during `fit` like other estimators do....
27,907
https://github.com/scikit-learn/scikit-learn/issues/27907
[ "Bug" ]
Dummy estimators don't have the `feature_names_in_` nor `n_features_in_` attributes ### Describe the bug `DummyClassifier` and `DummyRegressor` estimators don't have the `feature_names_in_` nor `n_features_in_` attributes. The reason is that they don't call `self._validate_data` during `fit` like other estimators do....
27,907
https://github.com/scikit-learn/scikit-learn/issues/27907
[ "Bug" ]
Dummy estimators don't have the `feature_names_in_` nor `n_features_in_` attributes ### Describe the bug `DummyClassifier` and `DummyRegressor` estimators don't have the `feature_names_in_` nor `n_features_in_` attributes. The reason is that they don't call `self._validate_data` during `fit` like other estimators do....
27,907
https://github.com/scikit-learn/scikit-learn/issues/27905
[ "Needs Triage" ]
Ensure predictions sparse before `sp.hstack` in `ClassifierChain` We use `sp.hstack` in a number of places in `ClassifierChain` where we may be stacking sparse with dense, e.g.,: https://github.com/scikit-learn/scikit-learn/blob/36f6734789fc7e4940792c1cfb6a6e90dfcae484/sklearn/multioutput.py#L948 and https://...
27,905
https://github.com/scikit-learn/scikit-learn/issues/27905
[ "Needs Triage" ]
Ensure predictions sparse before `sp.hstack` in `ClassifierChain` We use `sp.hstack` in a number of places in `ClassifierChain` where we may be stacking sparse with dense, e.g.,: https://github.com/scikit-learn/scikit-learn/blob/36f6734789fc7e4940792c1cfb6a6e90dfcae484/sklearn/multioutput.py#L948 and https://...
27,905
https://github.com/scikit-learn/scikit-learn/issues/27905
[ "Needs Triage" ]
Ensure predictions sparse before `sp.hstack` in `ClassifierChain` We use `sp.hstack` in a number of places in `ClassifierChain` where we may be stacking sparse with dense, e.g.,: https://github.com/scikit-learn/scikit-learn/blob/36f6734789fc7e4940792c1cfb6a6e90dfcae484/sklearn/multioutput.py#L948 and https://...
27,905
https://github.com/scikit-learn/scikit-learn/issues/27903
[ "API", "Needs Decision", "RFC" ]
allow_nan tag in Pipelines Unfortunately, our tag system for allowing nans does not work with pipelines. Lets say we have a pipeline with two steps and the final step does not accept nans: 1. If the first step is an Imputer, then the pipeline accept nans. For example: `make_pipeline(SimpleImputer(), LogisticRegress...
27,903
https://github.com/scikit-learn/scikit-learn/issues/27903
[ "API", "Needs Decision", "RFC" ]
allow_nan tag in Pipelines Unfortunately, our tag system for allowing nans does not work with pipelines. Lets say we have a pipeline with two steps and the final step does not accept nans: 1. If the first step is an Imputer, then the pipeline accept nans. For example: `make_pipeline(SimpleImputer(), LogisticRegress...
27,903
https://github.com/scikit-learn/scikit-learn/issues/27903
[ "API", "Needs Decision", "RFC" ]
allow_nan tag in Pipelines Unfortunately, our tag system for allowing nans does not work with pipelines. Lets say we have a pipeline with two steps and the final step does not accept nans: 1. If the first step is an Imputer, then the pipeline accept nans. For example: `make_pipeline(SimpleImputer(), LogisticRegress...
27,903
https://github.com/scikit-learn/scikit-learn/issues/27903
[ "API", "Needs Decision", "RFC" ]
allow_nan tag in Pipelines Unfortunately, our tag system for allowing nans does not work with pipelines. Lets say we have a pipeline with two steps and the final step does not accept nans: 1. If the first step is an Imputer, then the pipeline accept nans. For example: `make_pipeline(SimpleImputer(), LogisticRegress...
27,903
https://github.com/scikit-learn/scikit-learn/issues/27894
[ "Performance", "Needs Benchmarks" ]
Use SYRK instead of GEMM in pairwise distance ### Discussed in https://github.com/scikit-learn/scikit-learn/discussions/27877 <div type='discussions-op-text'> <sup>Originally posted by **darshanp4** November 30, 2023</sup> Hello I was checking the DBSCAN algo , where mostly computing pairwise distance it us...
27,894
https://github.com/scikit-learn/scikit-learn/issues/27894
[ "Performance", "Needs Benchmarks" ]
Use SYRK instead of GEMM in pairwise distance ### Discussed in https://github.com/scikit-learn/scikit-learn/discussions/27877 <div type='discussions-op-text'> <sup>Originally posted by **darshanp4** November 30, 2023</sup> Hello I was checking the DBSCAN algo , where mostly computing pairwise distance it us...
27,894
https://github.com/scikit-learn/scikit-learn/issues/27894
[ "Performance", "Needs Benchmarks" ]
Use SYRK instead of GEMM in pairwise distance ### Discussed in https://github.com/scikit-learn/scikit-learn/discussions/27877 <div type='discussions-op-text'> <sup>Originally posted by **darshanp4** November 30, 2023</sup> Hello I was checking the DBSCAN algo , where mostly computing pairwise distance it us...
27,894
https://github.com/scikit-learn/scikit-learn/issues/27894
[ "Performance", "Needs Benchmarks" ]
Use SYRK instead of GEMM in pairwise distance ### Discussed in https://github.com/scikit-learn/scikit-learn/discussions/27877 <div type='discussions-op-text'> <sup>Originally posted by **darshanp4** November 30, 2023</sup> Hello I was checking the DBSCAN algo , where mostly computing pairwise distance it us...
27,894
https://github.com/scikit-learn/scikit-learn/issues/27894
[ "Performance", "Needs Benchmarks" ]
Use SYRK instead of GEMM in pairwise distance ### Discussed in https://github.com/scikit-learn/scikit-learn/discussions/27877 <div type='discussions-op-text'> <sup>Originally posted by **darshanp4** November 30, 2023</sup> Hello I was checking the DBSCAN algo , where mostly computing pairwise distance it us...
27,894
https://github.com/scikit-learn/scikit-learn/issues/27894
[ "Performance", "Needs Benchmarks" ]
Use SYRK instead of GEMM in pairwise distance ### Discussed in https://github.com/scikit-learn/scikit-learn/discussions/27877 <div type='discussions-op-text'> <sup>Originally posted by **darshanp4** November 30, 2023</sup> Hello I was checking the DBSCAN algo , where mostly computing pairwise distance it us...
27,894
https://github.com/scikit-learn/scikit-learn/issues/27894
[ "Performance", "Needs Benchmarks" ]
Use SYRK instead of GEMM in pairwise distance ### Discussed in https://github.com/scikit-learn/scikit-learn/discussions/27877 <div type='discussions-op-text'> <sup>Originally posted by **darshanp4** November 30, 2023</sup> Hello I was checking the DBSCAN algo , where mostly computing pairwise distance it us...
27,894
https://github.com/scikit-learn/scikit-learn/issues/27894
[ "Performance", "Needs Benchmarks" ]
Use SYRK instead of GEMM in pairwise distance ### Discussed in https://github.com/scikit-learn/scikit-learn/discussions/27877 <div type='discussions-op-text'> <sup>Originally posted by **darshanp4** November 30, 2023</sup> Hello I was checking the DBSCAN algo , where mostly computing pairwise distance it us...
27,894
https://github.com/scikit-learn/scikit-learn/issues/27894
[ "Performance", "Needs Benchmarks" ]
Use SYRK instead of GEMM in pairwise distance ### Discussed in https://github.com/scikit-learn/scikit-learn/discussions/27877 <div type='discussions-op-text'> <sup>Originally posted by **darshanp4** November 30, 2023</sup> Hello I was checking the DBSCAN algo , where mostly computing pairwise distance it us...
27,894
https://github.com/scikit-learn/scikit-learn/issues/27894
[ "Performance", "Needs Benchmarks" ]
Use SYRK instead of GEMM in pairwise distance ### Discussed in https://github.com/scikit-learn/scikit-learn/discussions/27877 <div type='discussions-op-text'> <sup>Originally posted by **darshanp4** November 30, 2023</sup> Hello I was checking the DBSCAN algo , where mostly computing pairwise distance it us...
27,894
https://github.com/scikit-learn/scikit-learn/issues/27894
[ "Performance", "Needs Benchmarks" ]
Use SYRK instead of GEMM in pairwise distance ### Discussed in https://github.com/scikit-learn/scikit-learn/discussions/27877 <div type='discussions-op-text'> <sup>Originally posted by **darshanp4** November 30, 2023</sup> Hello I was checking the DBSCAN algo , where mostly computing pairwise distance it us...
27,894
https://github.com/scikit-learn/scikit-learn/issues/27894
[ "Performance", "Needs Benchmarks" ]
Use SYRK instead of GEMM in pairwise distance ### Discussed in https://github.com/scikit-learn/scikit-learn/discussions/27877 <div type='discussions-op-text'> <sup>Originally posted by **darshanp4** November 30, 2023</sup> Hello I was checking the DBSCAN algo , where mostly computing pairwise distance it us...
27,894
https://github.com/scikit-learn/scikit-learn/issues/27894
[ "Performance", "Needs Benchmarks" ]
Use SYRK instead of GEMM in pairwise distance ### Discussed in https://github.com/scikit-learn/scikit-learn/discussions/27877 <div type='discussions-op-text'> <sup>Originally posted by **darshanp4** November 30, 2023</sup> Hello I was checking the DBSCAN algo , where mostly computing pairwise distance it us...
27,894
https://github.com/scikit-learn/scikit-learn/issues/27894
[ "Performance", "Needs Benchmarks" ]
Use SYRK instead of GEMM in pairwise distance ### Discussed in https://github.com/scikit-learn/scikit-learn/discussions/27877 <div type='discussions-op-text'> <sup>Originally posted by **darshanp4** November 30, 2023</sup> Hello I was checking the DBSCAN algo , where mostly computing pairwise distance it us...
27,894
https://github.com/scikit-learn/scikit-learn/issues/27893
[ "Bug" ]
sklearn.cluster.HDBSCAN shape error when making medoids with precomputed metric ### Describe the bug When fitting with HDBSCAN with metric="precomputed" and store_centers='medoid', it would raise the ValueError `ValueError: Precomputed metric requires shape (n_queries, n_indexed). Got (11, 300) for 11 indexed.` C...
27,893
https://github.com/scikit-learn/scikit-learn/issues/27893
[ "Bug" ]
sklearn.cluster.HDBSCAN shape error when making medoids with precomputed metric ### Describe the bug When fitting with HDBSCAN with metric="precomputed" and store_centers='medoid', it would raise the ValueError `ValueError: Precomputed metric requires shape (n_queries, n_indexed). Got (11, 300) for 11 indexed.` C...
27,893
https://github.com/scikit-learn/scikit-learn/issues/27887
[ "Bug", "Needs Triage" ]
sklearn.linear_model.lars_path_gram ONLY accepts Xy to be of shape (n_features,) and NOT (n_features, n_targets) ### Describe the bug The [documentation](https://scikit-learn.org/stable/modules/generated/sklearn.linear_model.lars_path_gram.html) says lars_path_gram accepts Xy to be _"array-like of shape (n_features...
27,887
https://github.com/scikit-learn/scikit-learn/issues/27887
[ "Bug", "Needs Triage" ]
sklearn.linear_model.lars_path_gram ONLY accepts Xy to be of shape (n_features,) and NOT (n_features, n_targets) ### Describe the bug The [documentation](https://scikit-learn.org/stable/modules/generated/sklearn.linear_model.lars_path_gram.html) says lars_path_gram accepts Xy to be _"array-like of shape (n_features...
27,887
https://github.com/scikit-learn/scikit-learn/issues/27882
[ "New Feature", "help wanted" ]
[RFC] Varying the number of outputs considered for splitting in Multi Output Decision Trees ### Describe the workflow you want to enable One strength of RFRs is that they are incredibly robust and therefore provide a strong baseline for many tasks without needing to consider normalization or scaling of either the inp...
27,882
https://github.com/scikit-learn/scikit-learn/issues/27882
[ "New Feature", "help wanted" ]
[RFC] Varying the number of outputs considered for splitting in Multi Output Decision Trees ### Describe the workflow you want to enable One strength of RFRs is that they are incredibly robust and therefore provide a strong baseline for many tasks without needing to consider normalization or scaling of either the inp...
27,882
https://github.com/scikit-learn/scikit-learn/issues/27882
[ "New Feature", "help wanted" ]
[RFC] Varying the number of outputs considered for splitting in Multi Output Decision Trees ### Describe the workflow you want to enable One strength of RFRs is that they are incredibly robust and therefore provide a strong baseline for many tasks without needing to consider normalization or scaling of either the inp...
27,882
https://github.com/scikit-learn/scikit-learn/issues/27882
[ "New Feature", "help wanted" ]
[RFC] Varying the number of outputs considered for splitting in Multi Output Decision Trees ### Describe the workflow you want to enable One strength of RFRs is that they are incredibly robust and therefore provide a strong baseline for many tasks without needing to consider normalization or scaling of either the inp...
27,882
https://github.com/scikit-learn/scikit-learn/issues/27882
[ "New Feature", "help wanted" ]
[RFC] Varying the number of outputs considered for splitting in Multi Output Decision Trees ### Describe the workflow you want to enable One strength of RFRs is that they are incredibly robust and therefore provide a strong baseline for many tasks without needing to consider normalization or scaling of either the inp...
27,882
https://github.com/scikit-learn/scikit-learn/issues/27882
[ "New Feature", "help wanted" ]
[RFC] Varying the number of outputs considered for splitting in Multi Output Decision Trees ### Describe the workflow you want to enable One strength of RFRs is that they are incredibly robust and therefore provide a strong baseline for many tasks without needing to consider normalization or scaling of either the inp...
27,882
https://github.com/scikit-learn/scikit-learn/issues/27882
[ "New Feature", "help wanted" ]
[RFC] Varying the number of outputs considered for splitting in Multi Output Decision Trees ### Describe the workflow you want to enable One strength of RFRs is that they are incredibly robust and therefore provide a strong baseline for many tasks without needing to consider normalization or scaling of either the inp...
27,882
https://github.com/scikit-learn/scikit-learn/issues/27882
[ "New Feature", "help wanted" ]
[RFC] Varying the number of outputs considered for splitting in Multi Output Decision Trees ### Describe the workflow you want to enable One strength of RFRs is that they are incredibly robust and therefore provide a strong baseline for many tasks without needing to consider normalization or scaling of either the inp...
27,882
https://github.com/scikit-learn/scikit-learn/issues/27882
[ "New Feature", "help wanted" ]
[RFC] Varying the number of outputs considered for splitting in Multi Output Decision Trees ### Describe the workflow you want to enable One strength of RFRs is that they are incredibly robust and therefore provide a strong baseline for many tasks without needing to consider normalization or scaling of either the inp...
27,882
https://github.com/scikit-learn/scikit-learn/issues/27881
[ "New Feature", "Needs Decision", "RFC" ]
[RFC] Leaf Level Variance in Multi Output Decision Trees ### Describe the workflow you want to enable For single output RFR trained with the squared error criterion the impurity of the leaves can be used as a crude but useful estimate of the aleatoric uncertainty. In the multi output case the impurity is the sum ov...
27,881
https://github.com/scikit-learn/scikit-learn/issues/27881
[ "New Feature", "Needs Decision", "RFC" ]
[RFC] Leaf Level Variance in Multi Output Decision Trees ### Describe the workflow you want to enable For single output RFR trained with the squared error criterion the impurity of the leaves can be used as a crude but useful estimate of the aleatoric uncertainty. In the multi output case the impurity is the sum ov...
27,881
https://github.com/scikit-learn/scikit-learn/issues/27881
[ "New Feature", "Needs Decision", "RFC" ]
[RFC] Leaf Level Variance in Multi Output Decision Trees ### Describe the workflow you want to enable For single output RFR trained with the squared error criterion the impurity of the leaves can be used as a crude but useful estimate of the aleatoric uncertainty. In the multi output case the impurity is the sum ov...
27,881
https://github.com/scikit-learn/scikit-learn/issues/27881
[ "New Feature", "Needs Decision", "RFC" ]
[RFC] Leaf Level Variance in Multi Output Decision Trees ### Describe the workflow you want to enable For single output RFR trained with the squared error criterion the impurity of the leaves can be used as a crude but useful estimate of the aleatoric uncertainty. In the multi output case the impurity is the sum ov...
27,881
https://github.com/scikit-learn/scikit-learn/issues/27881
[ "New Feature", "Needs Decision", "RFC" ]
[RFC] Leaf Level Variance in Multi Output Decision Trees ### Describe the workflow you want to enable For single output RFR trained with the squared error criterion the impurity of the leaves can be used as a crude but useful estimate of the aleatoric uncertainty. In the multi output case the impurity is the sum ov...
27,881
https://github.com/scikit-learn/scikit-learn/issues/27881
[ "New Feature", "Needs Decision", "RFC" ]
[RFC] Leaf Level Variance in Multi Output Decision Trees ### Describe the workflow you want to enable For single output RFR trained with the squared error criterion the impurity of the leaves can be used as a crude but useful estimate of the aleatoric uncertainty. In the multi output case the impurity is the sum ov...
27,881
https://github.com/scikit-learn/scikit-learn/issues/27880
[ "Documentation" ]
DOC replace MAPE in lagged features example A few improvements could be made on the new example of #25350: - Mean absolute percentage error (MAPE) is used quite a lot. I propose to replace it, in particular if predicting/forecasting the mean value. Note that MAPE is optimized by the median of a distribution with pdf ...
27,880
https://github.com/scikit-learn/scikit-learn/issues/27880
[ "Documentation" ]
DOC replace MAPE in lagged features example A few improvements could be made on the new example of #25350: - Mean absolute percentage error (MAPE) is used quite a lot. I propose to replace it, in particular if predicting/forecasting the mean value. Note that MAPE is optimized by the median of a distribution with pdf ...
27,880
https://github.com/scikit-learn/scikit-learn/issues/27879
[ "Bug" ]
Pandas Copy-on-Write mode should be enabled in all tests ### Describe the bug Pandas COW will be enabled by default in version 3.0. For example, today I just found that `TargetEncoder` doesn't work properly with it enabled. There are probably many other examples that could be uncovered by testing. ### Steps/Co...
27,879
https://github.com/scikit-learn/scikit-learn/issues/27879
[ "Bug" ]
Pandas Copy-on-Write mode should be enabled in all tests ### Describe the bug Pandas COW will be enabled by default in version 3.0. For example, today I just found that `TargetEncoder` doesn't work properly with it enabled. There are probably many other examples that could be uncovered by testing. ### Steps/Co...
27,879
https://github.com/scikit-learn/scikit-learn/issues/27879
[ "Bug" ]
Pandas Copy-on-Write mode should be enabled in all tests ### Describe the bug Pandas COW will be enabled by default in version 3.0. For example, today I just found that `TargetEncoder` doesn't work properly with it enabled. There are probably many other examples that could be uncovered by testing. ### Steps/Co...
27,879
https://github.com/scikit-learn/scikit-learn/issues/27879
[ "Bug" ]
Pandas Copy-on-Write mode should be enabled in all tests ### Describe the bug Pandas COW will be enabled by default in version 3.0. For example, today I just found that `TargetEncoder` doesn't work properly with it enabled. There are probably many other examples that could be uncovered by testing. ### Steps/Co...
27,879
https://github.com/scikit-learn/scikit-learn/issues/27879
[ "Bug" ]
Pandas Copy-on-Write mode should be enabled in all tests ### Describe the bug Pandas COW will be enabled by default in version 3.0. For example, today I just found that `TargetEncoder` doesn't work properly with it enabled. There are probably many other examples that could be uncovered by testing. ### Steps/Co...
27,879
https://github.com/scikit-learn/scikit-learn/issues/27879
[ "Bug" ]
Pandas Copy-on-Write mode should be enabled in all tests ### Describe the bug Pandas COW will be enabled by default in version 3.0. For example, today I just found that `TargetEncoder` doesn't work properly with it enabled. There are probably many other examples that could be uncovered by testing. ### Steps/Co...
27,879
https://github.com/scikit-learn/scikit-learn/issues/27879
[ "Bug" ]
Pandas Copy-on-Write mode should be enabled in all tests ### Describe the bug Pandas COW will be enabled by default in version 3.0. For example, today I just found that `TargetEncoder` doesn't work properly with it enabled. There are probably many other examples that could be uncovered by testing. ### Steps/Co...
27,879
https://github.com/scikit-learn/scikit-learn/issues/27879
[ "Bug" ]
Pandas Copy-on-Write mode should be enabled in all tests ### Describe the bug Pandas COW will be enabled by default in version 3.0. For example, today I just found that `TargetEncoder` doesn't work properly with it enabled. There are probably many other examples that could be uncovered by testing. ### Steps/Co...
27,879
https://github.com/scikit-learn/scikit-learn/issues/27879
[ "Bug" ]
Pandas Copy-on-Write mode should be enabled in all tests ### Describe the bug Pandas COW will be enabled by default in version 3.0. For example, today I just found that `TargetEncoder` doesn't work properly with it enabled. There are probably many other examples that could be uncovered by testing. ### Steps/Co...
27,879
https://github.com/scikit-learn/scikit-learn/issues/27879
[ "Bug" ]
Pandas Copy-on-Write mode should be enabled in all tests ### Describe the bug Pandas COW will be enabled by default in version 3.0. For example, today I just found that `TargetEncoder` doesn't work properly with it enabled. There are probably many other examples that could be uncovered by testing. ### Steps/Co...
27,879
https://github.com/scikit-learn/scikit-learn/issues/27879
[ "Bug" ]
Pandas Copy-on-Write mode should be enabled in all tests ### Describe the bug Pandas COW will be enabled by default in version 3.0. For example, today I just found that `TargetEncoder` doesn't work properly with it enabled. There are probably many other examples that could be uncovered by testing. ### Steps/Co...
27,879
https://github.com/scikit-learn/scikit-learn/issues/27876
[ "Documentation", "Needs Triage" ]
HDBSCAN: Remove centroids_ attribute from API documentation ### Describe the issue linked to the documentation The API documentation of `HDBSCAN` on the [scikit-learn website](https://scikit-learn.org/stable/modules/generated/sklearn.cluster.HDBSCAN.html#sklearn.cluster.HDBSCAN) lists `centroids_` as an attribute. Ho...
27,876
https://github.com/scikit-learn/scikit-learn/issues/27873
[ "RFC" ]
RFC Unify old GradientBoosting estimators and HGBT ### Current situation We have the unfortunate situation to have 2 different versions of gradient boosting, the old estimators ([`GradientBoostingClassifier`](https://scikit-learn.org/stable/modules/generated/sklearn.ensemble.GradientBoostingClassifier.html#sklearn-en...
27,873
https://github.com/scikit-learn/scikit-learn/issues/27873
[ "RFC" ]
RFC Unify old GradientBoosting estimators and HGBT ### Current situation We have the unfortunate situation to have 2 different versions of gradient boosting, the old estimators ([`GradientBoostingClassifier`](https://scikit-learn.org/stable/modules/generated/sklearn.ensemble.GradientBoostingClassifier.html#sklearn-en...
27,873
https://github.com/scikit-learn/scikit-learn/issues/27873
[ "RFC" ]
RFC Unify old GradientBoosting estimators and HGBT ### Current situation We have the unfortunate situation to have 2 different versions of gradient boosting, the old estimators ([`GradientBoostingClassifier`](https://scikit-learn.org/stable/modules/generated/sklearn.ensemble.GradientBoostingClassifier.html#sklearn-en...
27,873
https://github.com/scikit-learn/scikit-learn/issues/27873
[ "RFC" ]
RFC Unify old GradientBoosting estimators and HGBT ### Current situation We have the unfortunate situation to have 2 different versions of gradient boosting, the old estimators ([`GradientBoostingClassifier`](https://scikit-learn.org/stable/modules/generated/sklearn.ensemble.GradientBoostingClassifier.html#sklearn-en...
27,873
https://github.com/scikit-learn/scikit-learn/issues/27873
[ "RFC" ]
RFC Unify old GradientBoosting estimators and HGBT ### Current situation We have the unfortunate situation to have 2 different versions of gradient boosting, the old estimators ([`GradientBoostingClassifier`](https://scikit-learn.org/stable/modules/generated/sklearn.ensemble.GradientBoostingClassifier.html#sklearn-en...
27,873
https://github.com/scikit-learn/scikit-learn/issues/27873
[ "RFC" ]
RFC Unify old GradientBoosting estimators and HGBT ### Current situation We have the unfortunate situation to have 2 different versions of gradient boosting, the old estimators ([`GradientBoostingClassifier`](https://scikit-learn.org/stable/modules/generated/sklearn.ensemble.GradientBoostingClassifier.html#sklearn-en...
27,873
https://github.com/scikit-learn/scikit-learn/issues/27873
[ "RFC" ]
RFC Unify old GradientBoosting estimators and HGBT ### Current situation We have the unfortunate situation to have 2 different versions of gradient boosting, the old estimators ([`GradientBoostingClassifier`](https://scikit-learn.org/stable/modules/generated/sklearn.ensemble.GradientBoostingClassifier.html#sklearn-en...
27,873
https://github.com/scikit-learn/scikit-learn/issues/27869
[ "New Feature" ]
Clarification and Improvement Suggestions for OrdinalEncoder Input and Output ### Describe the workflow you want to enable Hi there, I'm relatively new to working with scikit-learn, and as I delve into it, a couple of aspects of the `OrdinalEncoder` have raised questions for me regarding its functionality and ...
27,869
https://github.com/scikit-learn/scikit-learn/issues/27869
[ "New Feature" ]
Clarification and Improvement Suggestions for OrdinalEncoder Input and Output ### Describe the workflow you want to enable Hi there, I'm relatively new to working with scikit-learn, and as I delve into it, a couple of aspects of the `OrdinalEncoder` have raised questions for me regarding its functionality and ...
27,869
https://github.com/scikit-learn/scikit-learn/issues/27867
[ "Needs Triage" ]
⚠️ CI failed on Wheel builder ⚠️ **CI failed on [Wheel builder](https://github.com/scikit-learn/scikit-learn/actions/runs/7027741686)** (Nov 29, 2023) COMMENT: So apparently we have some failures with NumPy 2 here. @ogrisel is it something known from the PR that have been open by @seberg? I did not follow those unf...
27,867
https://github.com/scikit-learn/scikit-learn/issues/27867
[ "Needs Triage" ]
⚠️ CI failed on Wheel builder ⚠️ **CI failed on [Wheel builder](https://github.com/scikit-learn/scikit-learn/actions/runs/7027741686)** (Nov 29, 2023) COMMENT: Grrrrrrrr, this is a new thing, indirectly related to bumping maxdims. I also bumped MAXARGS, which is ABI compatible but changes the size of 1 or 2 objects....
27,867
https://github.com/scikit-learn/scikit-learn/issues/27867
[ "Needs Triage" ]
⚠️ CI failed on Wheel builder ⚠️ **CI failed on [Wheel builder](https://github.com/scikit-learn/scikit-learn/actions/runs/7027741686)** (Nov 29, 2023) COMMENT: ## CI is no longer failing! ✅ [Successful run](https://github.com/scikit-learn/scikit-learn/actions/runs/7041734769) on Nov 30, 2023
27,867
https://github.com/scikit-learn/scikit-learn/issues/27849
[ "Needs Triage" ]
Ridge replacement for normalize=True gives different results > I will look more closely next week but even this breaks: > > ```python > from sklearn.datasets import make_regression > from sklearn import linear_model > from sklearn.pipeline import make_pipeline > from sklearn.preprocessing import StandardScaler ...
27,849
https://github.com/scikit-learn/scikit-learn/issues/27849
[ "Needs Triage" ]
Ridge replacement for normalize=True gives different results > I will look more closely next week but even this breaks: > > ```python > from sklearn.datasets import make_regression > from sklearn import linear_model > from sklearn.pipeline import make_pipeline > from sklearn.preprocessing import StandardScaler ...
27,849
https://github.com/scikit-learn/scikit-learn/issues/27849
[ "Needs Triage" ]
Ridge replacement for normalize=True gives different results > I will look more closely next week but even this breaks: > > ```python > from sklearn.datasets import make_regression > from sklearn import linear_model > from sklearn.pipeline import make_pipeline > from sklearn.preprocessing import StandardScaler ...
27,849
https://github.com/scikit-learn/scikit-learn/issues/27849
[ "Needs Triage" ]
Ridge replacement for normalize=True gives different results > I will look more closely next week but even this breaks: > > ```python > from sklearn.datasets import make_regression > from sklearn import linear_model > from sklearn.pipeline import make_pipeline > from sklearn.preprocessing import StandardScaler ...
27,849
https://github.com/scikit-learn/scikit-learn/issues/27848
[ "New Feature", "Needs Triage" ]
Contraction Clustering (RASTER): A very fast and parallelizable clustering algorithm ### Describe the workflow you want to enable RASTER is a very fast clustering algorithm that runs in linear time, uses constant memory, and only requires a single pass. The relevant package is `cluster`. ### Describe your proposed s...
27,848
https://github.com/scikit-learn/scikit-learn/issues/27848
[ "New Feature", "Needs Triage" ]
Contraction Clustering (RASTER): A very fast and parallelizable clustering algorithm ### Describe the workflow you want to enable RASTER is a very fast clustering algorithm that runs in linear time, uses constant memory, and only requires a single pass. The relevant package is `cluster`. ### Describe your proposed s...
27,848
https://github.com/scikit-learn/scikit-learn/issues/27848
[ "New Feature", "Needs Triage" ]
Contraction Clustering (RASTER): A very fast and parallelizable clustering algorithm ### Describe the workflow you want to enable RASTER is a very fast clustering algorithm that runs in linear time, uses constant memory, and only requires a single pass. The relevant package is `cluster`. ### Describe your proposed s...
27,848
https://github.com/scikit-learn/scikit-learn/issues/27846
[ "Build / CI" ]
⚠️ CI failed on Ubuntu_Atlas.ubuntu_atlas (last failure: Aug 28, 2025) ⚠️ **CI is still failing on [Ubuntu_Atlas.ubuntu_atlas](https://dev.azure.com/scikit-learn/scikit-learn/_build/results?buildId=79396&view=logs&j=689a1c8f-ff4e-5689-1a1a-6fa551ae9eba)** (Aug 28, 2025) - test_float_precision[33-MiniBatchKMeans-dense]...
27,846
https://github.com/scikit-learn/scikit-learn/issues/27846
[ "Build / CI" ]
⚠️ CI failed on Ubuntu_Atlas.ubuntu_atlas (last failure: Aug 28, 2025) ⚠️ **CI is still failing on [Ubuntu_Atlas.ubuntu_atlas](https://dev.azure.com/scikit-learn/scikit-learn/_build/results?buildId=79396&view=logs&j=689a1c8f-ff4e-5689-1a1a-6fa551ae9eba)** (Aug 28, 2025) - test_float_precision[33-MiniBatchKMeans-dense]...
27,846
https://github.com/scikit-learn/scikit-learn/issues/27846
[ "Build / CI" ]
⚠️ CI failed on Ubuntu_Atlas.ubuntu_atlas (last failure: Aug 28, 2025) ⚠️ **CI is still failing on [Ubuntu_Atlas.ubuntu_atlas](https://dev.azure.com/scikit-learn/scikit-learn/_build/results?buildId=79396&view=logs&j=689a1c8f-ff4e-5689-1a1a-6fa551ae9eba)** (Aug 28, 2025) - test_float_precision[33-MiniBatchKMeans-dense]...
27,846
https://github.com/scikit-learn/scikit-learn/issues/27843
[ "New Feature" ]
set_output doesn't work for inverse_transform method ### Describe the bug Using `set_output(transfrom="pandas")` doesn't return a pandas dataframe for the StandardScaler's `inverse_transform` method. ### Steps/Code to Reproduce ```python from sklearn.preprocessing import StandardScaler from sklearn.datasets impor...
27,843
https://github.com/scikit-learn/scikit-learn/issues/27843
[ "New Feature" ]
set_output doesn't work for inverse_transform method ### Describe the bug Using `set_output(transfrom="pandas")` doesn't return a pandas dataframe for the StandardScaler's `inverse_transform` method. ### Steps/Code to Reproduce ```python from sklearn.preprocessing import StandardScaler from sklearn.datasets impor...
27,843
https://github.com/scikit-learn/scikit-learn/issues/27843
[ "New Feature" ]
set_output doesn't work for inverse_transform method ### Describe the bug Using `set_output(transfrom="pandas")` doesn't return a pandas dataframe for the StandardScaler's `inverse_transform` method. ### Steps/Code to Reproduce ```python from sklearn.preprocessing import StandardScaler from sklearn.datasets impor...
27,843
https://github.com/scikit-learn/scikit-learn/issues/27843
[ "New Feature" ]
set_output doesn't work for inverse_transform method ### Describe the bug Using `set_output(transfrom="pandas")` doesn't return a pandas dataframe for the StandardScaler's `inverse_transform` method. ### Steps/Code to Reproduce ```python from sklearn.preprocessing import StandardScaler from sklearn.datasets impor...
27,843
https://github.com/scikit-learn/scikit-learn/issues/27843
[ "New Feature" ]
set_output doesn't work for inverse_transform method ### Describe the bug Using `set_output(transfrom="pandas")` doesn't return a pandas dataframe for the StandardScaler's `inverse_transform` method. ### Steps/Code to Reproduce ```python from sklearn.preprocessing import StandardScaler from sklearn.datasets impor...
27,843
https://github.com/scikit-learn/scikit-learn/issues/27843
[ "New Feature" ]
set_output doesn't work for inverse_transform method ### Describe the bug Using `set_output(transfrom="pandas")` doesn't return a pandas dataframe for the StandardScaler's `inverse_transform` method. ### Steps/Code to Reproduce ```python from sklearn.preprocessing import StandardScaler from sklearn.datasets impor...
27,843
https://github.com/scikit-learn/scikit-learn/issues/27843
[ "New Feature" ]
set_output doesn't work for inverse_transform method ### Describe the bug Using `set_output(transfrom="pandas")` doesn't return a pandas dataframe for the StandardScaler's `inverse_transform` method. ### Steps/Code to Reproduce ```python from sklearn.preprocessing import StandardScaler from sklearn.datasets impor...
27,843
https://github.com/scikit-learn/scikit-learn/issues/27843
[ "New Feature" ]
set_output doesn't work for inverse_transform method ### Describe the bug Using `set_output(transfrom="pandas")` doesn't return a pandas dataframe for the StandardScaler's `inverse_transform` method. ### Steps/Code to Reproduce ```python from sklearn.preprocessing import StandardScaler from sklearn.datasets impor...
27,843
https://github.com/scikit-learn/scikit-learn/issues/27839
[ "Bug" ]
LocalOutlierFactor might not work with duplicated samples This an investigation from the discussion in https://github.com/scikit-learn/scikit-learn/discussions/27838 `LocalFactorOutlier` might be difficult to use when there are duplicate values larger then `n_neighbors`. In this case, the distance for these neighbo...
27,839
https://github.com/scikit-learn/scikit-learn/issues/27839
[ "Bug" ]
LocalOutlierFactor might not work with duplicated samples This an investigation from the discussion in https://github.com/scikit-learn/scikit-learn/discussions/27838 `LocalFactorOutlier` might be difficult to use when there are duplicate values larger then `n_neighbors`. In this case, the distance for these neighbo...
27,839
https://github.com/scikit-learn/scikit-learn/issues/27829
[ "Bug", "help wanted" ]
Different HDBSCAN clusters from scikit-learn and scikit-learn-contrib packages ### Describe the bug The `HDBSCAN()` functions provided by [scikit-learn-contrib/hdbscan](https://github.com/scikit-learn-contrib/hdbscan) and this package can give different clustering results, e.g. when using the **`cluster_selection_eps...
27,829
https://github.com/scikit-learn/scikit-learn/issues/27829
[ "Bug", "help wanted" ]
Different HDBSCAN clusters from scikit-learn and scikit-learn-contrib packages ### Describe the bug The `HDBSCAN()` functions provided by [scikit-learn-contrib/hdbscan](https://github.com/scikit-learn-contrib/hdbscan) and this package can give different clustering results, e.g. when using the **`cluster_selection_eps...
27,829
https://github.com/scikit-learn/scikit-learn/issues/27829
[ "Bug", "help wanted" ]
Different HDBSCAN clusters from scikit-learn and scikit-learn-contrib packages ### Describe the bug The `HDBSCAN()` functions provided by [scikit-learn-contrib/hdbscan](https://github.com/scikit-learn-contrib/hdbscan) and this package can give different clustering results, e.g. when using the **`cluster_selection_eps...
27,829
https://github.com/scikit-learn/scikit-learn/issues/27829
[ "Bug", "help wanted" ]
Different HDBSCAN clusters from scikit-learn and scikit-learn-contrib packages ### Describe the bug The `HDBSCAN()` functions provided by [scikit-learn-contrib/hdbscan](https://github.com/scikit-learn-contrib/hdbscan) and this package can give different clustering results, e.g. when using the **`cluster_selection_eps...
27,829
https://github.com/scikit-learn/scikit-learn/issues/27829
[ "Bug", "help wanted" ]
Different HDBSCAN clusters from scikit-learn and scikit-learn-contrib packages ### Describe the bug The `HDBSCAN()` functions provided by [scikit-learn-contrib/hdbscan](https://github.com/scikit-learn-contrib/hdbscan) and this package can give different clustering results, e.g. when using the **`cluster_selection_eps...
27,829
https://github.com/scikit-learn/scikit-learn/issues/27829
[ "Bug", "help wanted" ]
Different HDBSCAN clusters from scikit-learn and scikit-learn-contrib packages ### Describe the bug The `HDBSCAN()` functions provided by [scikit-learn-contrib/hdbscan](https://github.com/scikit-learn-contrib/hdbscan) and this package can give different clustering results, e.g. when using the **`cluster_selection_eps...
27,829
https://github.com/scikit-learn/scikit-learn/issues/27829
[ "Bug", "help wanted" ]
Different HDBSCAN clusters from scikit-learn and scikit-learn-contrib packages ### Describe the bug The `HDBSCAN()` functions provided by [scikit-learn-contrib/hdbscan](https://github.com/scikit-learn-contrib/hdbscan) and this package can give different clustering results, e.g. when using the **`cluster_selection_eps...
27,829