Debug machine learning classifiers and explain their predictions
Project description
ELI5 is a Python package which helps to debug machine learning classifiers and explain their predictions.
It provides support for the following machine learning frameworks and packages:
scikit-learn. Currently ELI5 allows to explain weights and predictions of scikit-learn linear classifiers and regressors, print decision trees as text or as SVG, show feature importances of random forests. ELI5 understands text processing utilities from scikit-learn and can highlight text data accordingly. It also allows to debug scikit-learn pipelines which contain HashingVectorizer, by undoing hashing.
lightning - explain weights and predictions of lightning classifiers and regressors.
sklearn-crfsuite. ELI5 allows to check weights of sklearn_crfsuite.CRF models.
ELI5 also provides an alternative implementation of LIME algorithm, which allows to explain predictions of any black-box classifier. This feature is currently experimental.
Explanation and formatting are separated; you can get text-based explanation to display in console, HTML version embeddable in an IPython notebook or web dashboards, or JSON version which allows to implement custom rendering and formatting on a client.
License is MIT.
Check docs for more.
Changelog
0.1.1 (2016-11-25)
packaging fixes: require attrs > 16.0.0, fixed README rendering
0.1 (2016-11-24)
HTML output;
IPython integration;
JSON output;
visualization of scikit-learn text vectorizers;
sklearn-crfsuite support;
lightning support;
eli5.show_weights and eli5.show_prediction functions;
eli5.explain_weights and eli5.explain_prediction functions;
eli5.lime <eli5-lime> improvements: samplers for non-text data, bug fixes, docs;
HashingVectorizer is supported for regression tasks;
performance improvements - feature names are lazy;
sklearn ElasticNetCV and RidgeCV support;
it is now possible to customize formatting output - show/hide sections, change layout;
sklearn OneVsRestClassifier support;
sklearn DecisionTreeClassifier visualization (text-based or svg-based);
dropped support for scikit-learn < 0.18;
basic mypy type annotations;
feature_re argument allows to show only a subset of features;
target_names argument allows to change display names of targets/classes;
targets argument allows to show a subset of targets/classes and change their display order;
documentation, more examples.
0.0.6 (2016-10-12)
Candidate features in eli5.sklearn.InvertableHashingVectorizer are ordered by their frequency, first candidate is always positive.
0.0.5 (2016-09-27)
HashingVectorizer support in explain_prediction;
add an option to pass coefficient scaling array; it is useful if you want to compare coefficients for features which scale or sign is different in the input;
bug fix: classifier weights are no longer changed by eli5 functions.
0.0.4 (2016-09-24)
eli5.sklearn.InvertableHashingVectorizer and eli5.sklearn.FeatureUnhasher allow to recover feature names for pipelines which use HashingVectorizer or FeatureHasher;
added support for scikit-learn linear regression models (ElasticNet, Lars, Lasso, LinearRegression, LinearSVR, Ridge, SGDRegressor);
doc and vec arguments are swapped in explain_prediction function; vec can now be omitted if an example is already vectorized;
fixed issue with dense feature vectors;
all class_names arguments are renamed to target_names;
feature name guessing is fixed for scikit-learn ensemble estimators;
testing improvements.
0.0.3 (2016-09-21)
support any black-box classifier using LIME (http://arxiv.org/abs/1602.04938) algorithm; text data support is built-in;
“vectorized” argument for sklearn.explain_prediction; it allows to pass example which is already vectorized;
allow to pass feature_names explicitly;
support classifiers without get_feature_names method using auto-generated feature names.
0.0.2 (2016-09-19)
‘top’ argument of explain_prediction can be a tuple (num_positive, num_negative);
classifier name is no longer printed by default;
added eli5.sklearn.explain_prediction to explain individual examples;
fixed numpy warning.
0.0.1 (2016-09-15)
Pre-release.
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