Source code for lale.lib.autogen.gaussian_nb


from sklearn.naive_bayes import GaussianNB as SKLModel
import lale.helpers
import lale.operators
from numpy import nan, inf

[docs]class GaussianNBImpl(): def __init__(self, priors=None, var_smoothing=1e-09): self._hyperparams = { 'priors': priors, 'var_smoothing': var_smoothing}
[docs] def fit(self, X, y=None): self._sklearn_model = SKLModel(**self._hyperparams) if (y is not None): self._sklearn_model.fit(X, y) else: self._sklearn_model.fit(X) return self
[docs] def predict(self, X): return self._sklearn_model.predict(X)
[docs] def predict_proba(self, X): return self._sklearn_model.predict_proba(X)
_hyperparams_schema = { '$schema': 'http://json-schema.org/draft-04/schema#', 'description': 'inherited docstring for GaussianNB Gaussian Naive Bayes (GaussianNB)', 'allOf': [{ 'type': 'object', 'required': ['priors', 'var_smoothing'], 'relevantToOptimizer': [], 'additionalProperties': False, 'properties': { 'priors': { 'anyOf': [{ 'type': 'array', 'items': { 'type': 'number'}, }, { 'enum': [None]}], 'default': None, 'description': 'Prior probabilities of the classes. If specified the priors are not'}, 'var_smoothing': { 'type': 'number', 'default': 1e-09, 'description': 'Portion of the largest variance of all features that is added to'}, }}], } _input_fit_schema = { '$schema': 'http://json-schema.org/draft-04/schema#', 'description': 'Fit Gaussian Naive Bayes according to X, y', 'type': 'object', 'properties': { 'X': { 'type': 'array', 'items': { 'type': 'array', 'items': { 'type': 'number'}, }, 'description': 'Training vectors, where n_samples is the number of samples'}, 'y': { 'type': 'array', 'items': { 'type': 'number'}, 'description': 'Target values.'}, 'sample_weight': { 'anyOf': [{ 'type': 'array', 'items': { 'type': 'number'}, }, { 'enum': [None]}], 'default': None, 'description': 'Weights applied to individual samples (1. for unweighted).'}, }, } _input_predict_schema = { '$schema': 'http://json-schema.org/draft-04/schema#', 'description': 'Perform classification on an array of test vectors X.', 'type': 'object', 'properties': { 'X': { 'type': 'array', 'items': { 'type': 'array', 'items': { 'type': 'number'}, }}, }, } _output_predict_schema = { '$schema': 'http://json-schema.org/draft-04/schema#', 'description': 'Predicted target values for X', 'type': 'array', 'items': { 'type': 'number'}, } _input_predict_proba_schema = { '$schema': 'http://json-schema.org/draft-04/schema#', 'description': 'Return probability estimates for the test vector X.', 'type': 'object', 'properties': { 'X': { 'type': 'array', 'items': { 'type': 'array', 'items': { 'type': 'number'}, }}, }, } _output_predict_proba_schema = { '$schema': 'http://json-schema.org/draft-04/schema#', 'description': 'Returns the probability of the samples for each class in', 'type': 'array', 'items': { 'type': 'array', 'items': { 'type': 'number'}, }, } _combined_schemas = { '$schema': 'http://json-schema.org/draft-04/schema#', 'description': 'Combined schema for expected data and hyperparameters.', 'type': 'object', 'tags': { 'pre': [], 'op': ['estimator'], 'post': []}, 'properties': { 'hyperparams': _hyperparams_schema, 'input_fit': _input_fit_schema, 'input_predict': _input_predict_schema, 'output_predict': _output_predict_schema, 'input_predict_proba': _input_predict_proba_schema, 'output_predict_proba': _output_predict_proba_schema}, } if (__name__ == '__main__'): lale.helpers.validate_is_schema(_combined_schemas) GaussianNB = lale.operators.make_operator(GaussianNBImpl, _combined_schemas)