Search results

[scikit-learn compatibility] <code>CatBoostEstimator</code> class - as <code>CatBoost</code> but with fully compatible API

python

sklearn_compatibility

Status: Open.

Feature

#3006 In catboost/catboost;

· andrey-khropov opened on Jan 11, 2026

fitting with <code>sample_weight</code> is not equivalent to fitting with removed or repeated data points

sklearn_compatibility

Status: Open.

Bug

#3005 In catboost/catboost;

· andrey-khropov opened on Jan 10, 2026

[scikit-learn compatibility] <code>n_features_in_</code> must not be defined until <code>fit</code> is called

python

sklearn_compatibility

Status: Open.

Bug

#3004 In catboost/catboost;

· andrey-khropov opened on Jan 10, 2026

[scikit-learn compatibility] estimators' <code>fit</code>: If X contains only a single sample raise <code>ValueError</code> mentioning 'sample'

python

sklearn_compatibility

Status: Open.

#3003 In catboost/catboost;

· andrey-khropov opened on Jan 10, 2026

[scikit-learn compatibility] Raise <code>NotFittedError</code> on errors when estimator is expected to be fitted for scikit-learn estimator API functions

python

sklearn_compatibility

Status: Open.

Task

#3002 In catboost/catboost;

· andrey-khropov opened on Jan 9, 2026

Support <code>scipy.sparse</code> sparse arrays

python

sklearn_compatibility

Status: Open.

Feature

#3000 In catboost/catboost;

· andrey-khropov opened on Jan 9, 2026

[scikit-learn compatibility] Raise <code>TypeError</code> on type-related errors in input data for scikit-learn estimator API functions

python

sklearn_compatibility

Status: Open.

Task

#2998 In catboost/catboost;

· andrey-khropov opened on Jan 9, 2026

[scikit-learn compatibility] Estimators: Do not raise exceptions in <code>__init__</code> and <code>set_params</code>

python

sklearn_compatibility

Status: Open.

Task

#2997 In catboost/catboost;

· andrey-khropov opened on Jan 9, 2026

[scikit-learn compatibility] Raise <code>ValueError</code> on errors in input data for scikit-learn estimator API functions

python

sklearn_compatibility

Status: Open.

Task

#2996 In catboost/catboost;

· andrey-khropov opened on Jan 9, 2026

[scikit-learn compatibility] Accept any 'array-like' where applicable for additional data for estimators (like <code>sample_weight</code>)

python

sklearn_compatibility

Status: Open.

Feature

#2995 In catboost/catboost;

· andrey-khropov opened on Jan 9, 2026

[scikit-learn compatibility] Accept any 'array-like' X and y in methods implementing estimator API

python

sklearn_compatibility

Status: Open.

Feature

#2994 In catboost/catboost;

· andrey-khropov opened on Jan 8, 2026

[scikit-learn compatibility] support metadata routing

python

sklearn_compatibility

Status: Open.

Feature

#2993 In catboost/catboost;

· andrey-khropov opened on Jan 8, 2026