Binary Relevance aggregation

[denaxen]

Description

I have added code for Binary Relevance aggregation - simple method for multi-label classification. This approach treats each label as a class in binary classification task and aggregates it separately.

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Documentation and examples improvement (changes affected documentation and/or examples)

Checklist:

• [x] I have read the CONTRIBUTING document.
• [x] I hereby agree to the terms of the CLA available at: https://yandex.ru/legal/cla/?lang=en
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.

[codecov-commenter]

Codecov Report

Base: 92.83% // Head: 93.02% // Increases project coverage by +0.19% :tada:

Coverage data is based on head (c61d608) compared to base (f713930). Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #36      +/-   ##
==========================================
+ Coverage   92.83%   93.02%   +0.19%     
==========================================
  Files          40       43       +3     
  Lines        1815     1908      +93     
==========================================
+ Hits         1685     1775      +90     
- Misses        130      133       +3     

Impacted Files	Coverage Δ
crowdkit/aggregation/__init__.py	94.11% <ø> (+0.36%)	:arrow_up:
crowdkit/aggregation/classification/__init__.py	100.00% <ø> (ø)
crowdkit/aggregation/multilabel/__init__.py	100.00% <100.00%> (ø)
...rowdkit/aggregation/multilabel/binary_relevance.py	100.00% <100.00%> (ø)
crowdkit/aggregation/utils.py	86.20% <100.00%> (+1.79%)	:arrow_up:
crowdkit/aggregation/classification/kos.py	92.50% <0.00%> (ø)
crowdkit/aggregation/classification/dawid_skene.py	95.52% <0.00%> (+0.03%)	:arrow_up:

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[denaxen]

There are failed tests, which are fixed in main branch