Source code for evalml.pipelines.components.estimators.classifiers.rf_classifier

from sklearn.ensemble import RandomForestClassifier as SKRandomForestClassifier
from skopt.space import Integer

from evalml.model_types import ModelTypes
from evalml.pipelines.components.estimators import Estimator
from evalml.problem_types import ProblemTypes


[docs]class RandomForestClassifier(Estimator): """Random Forest Classifier""" name = "Random Forest Classifier" hyperparameter_ranges = { "n_estimators": Integer(10, 1000), "max_depth": Integer(1, 32), } model_type = ModelTypes.RANDOM_FOREST problem_types = [ProblemTypes.BINARY, ProblemTypes.MULTICLASS]
[docs] def __init__(self, n_estimators=10, max_depth=None, n_jobs=-1, random_state=0): parameters = {"n_estimators": n_estimators, "max_depth": max_depth} rf_classifier = SKRandomForestClassifier(n_estimators=n_estimators, max_depth=max_depth, n_jobs=n_jobs, random_state=random_state) super().__init__(parameters=parameters, component_obj=rf_classifier, random_state=random_state)
@property def feature_importances(self): return self._component_obj.feature_importances_