Fix #182: Supporting private data for sklearn models

[amit-sharma]

[READY FOR MERGE]

This PR adds support for private data interface for sklearn ML models. dice-kdtree is not supported since it requires access to the training data to output the counterfactuals.

[github-actions]

Unit Test Results

281 tests  +20   276 ✔️ +20   11m 26s ⏱️ +4s
    1 suites ±  0       5 💤 ±  0 
    1 files   ±  0       0 ❌ ±  0 

Results for commit b3f7fe2. ± Comparison against base commit 1651751.

This pull request removes 20 and adds 40 tests. Note that renamed tests count towards both.

tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_features_to_vary[PYT-1-None-2-features_to_vary0-None]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_features_to_vary[sklearn-1-None-2-features_to_vary0-None]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_invalid_query_instance[PYT-features_to_vary0-permitted_range0-inverse_mad]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_invalid_query_instance[sklearn-features_to_vary0-permitted_range0-inverse_mad]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_no_cfs[PYT-7-None-3-all-None]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_no_cfs[sklearn-7-None-3-all-None]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_permitted_range_categorical[PYT-1-None-2-permitted_range0]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_permitted_range_categorical[sklearn-1-None-2-permitted_range0]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_random_counterfactual_explanations_output[PYT-0-1]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_random_counterfactual_explanations_output[sklearn-0-1]
…

tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_features_to_vary[random_binary_classification_exp_object0-1-None-2-features_to_vary0-None]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_features_to_vary[random_binary_classification_exp_object1-1-None-2-features_to_vary0-None]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_features_to_vary[random_binary_classification_exp_object2-1-None-2-features_to_vary0-None]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_features_to_vary[random_binary_classification_exp_object3-1-None-2-features_to_vary0-None]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_invalid_query_instance[random_binary_classification_exp_object0-features_to_vary0-permitted_range0-inverse_mad]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_invalid_query_instance[random_binary_classification_exp_object1-features_to_vary0-permitted_range0-inverse_mad]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_invalid_query_instance[random_binary_classification_exp_object2-features_to_vary0-permitted_range0-inverse_mad]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_invalid_query_instance[random_binary_classification_exp_object3-features_to_vary0-permitted_range0-inverse_mad]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_no_cfs[random_binary_classification_exp_object0-7-None-3-all-None]
tests.test_dice_interface.test_dice_random.TestDiceRandomBinaryClassificationMethods ‑ test_no_cfs[random_binary_classification_exp_object1-7-None-3-all-None]
…

♻️ This comment has been updated with latest results.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 79.74684% with 16 lines in your changes missing coverage. Please review.

Project coverage is 71.99%. Comparing base (1651751) to head (b3f7fe2).

Files with missing lines	Patch %	Lines
dice_ml/utils/helpers.py	38.88%	11 Missing ⚠️
dice_ml/data_interfaces/private_data_interface.py	90.47%	4 Missing ⚠️
dice_ml/explainer_interfaces/dice_genetic.py	85.71%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #312      +/-   ##
==========================================
+ Coverage   71.86%   71.99%   +0.12%     
==========================================
  Files          26       26              
  Lines        3537     3596      +59     
==========================================
+ Hits         2542     2589      +47     
- Misses        995     1007      +12     

Flag	Coverage Δ
unittests	71.99% <79.74%> (+0.12%)	⬆️

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