AdaBoostClassifier (ABC)
========================
.. class:: ABC(self, model_name: str = 'AdaBoostClassifier', random_state: int = 42, estimator: Union[Literal['DTC', 'RFC', 'LR'], sklearn.base.ClassifierMixin] = 'DTC', **kwargs)
AdaBoostClassifier Wrapper class - parent class :class:`Classifier`
.. list-table::
:widths: 25 75
:header-rows: 0
* - Parameters
-
estimator : {"DTC", "RFC", "LR"} or classifier object, default="DTC"
base estimator from which the boosted ensemble is built (default: DecisionTreeClassifier with max_depth=1)
n_estimator : int
number of boosting stages to perform
learning_rate : float
shrinks the contribution of each tree by learning rate
algorithm : str
boosting algorithm
random_state : int, default=42
random_state for model
* - Attributes
-
cv_scores : dict[str, float]
dictionary with cross validation results
feature_names : list[str]
names of all the features that the model saw during training. Is empty if model was not fitted yet.
grid : ConfigurationSpace
hyperparameter tuning grid of the model
model : model object
model with 'fit', 'predict', 'set_params', and 'get_params' method (see sklearn API)
model_name : str
name of the model. Used in loading bars and dictionaries as identifier of the model
model_type : str
kind of estimator (e.g. 'RFC' for RandomForestClassifier)
rCVsearch_results : pd.DataFrame or None
results from randomCV hyperparameter tuning. Is ``None`` if randomCVsearch was not used yet.
train_score : float
train score value
train_time : str
train time in format: "0:00:00" (hours:minutes:seconds)
.. note::
You can use all parameters of the wrapped model when initialising the wrapper class.
.. raw:: html
Example
>>> from sam_ml.models.classifier import ABC
>>>
>>> model = ABC()
>>> print(model)
ABC(estimator=DecisionTreeClassifier(max_depth=1), model_name='AdaBoostClassifier (DTC based)')
.. raw:: html
Methods
.. list-table::
:widths: 25 75
:header-rows: 1
* - Method
- Description
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.cross_validation`
- Random split crossvalidation
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.cross_validation_small_data`
- One-vs-all cross validation for small datasets
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.evaluate`
- Function to create multiple scores with predict function of model
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.evaluate_proba`
- Function to create multiple scores for binary classification with predict_proba function of model
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.evaluate_score`
- Function to create a score with predict function of model
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.evaluate_score_proba`
- Function to create a score for binary classification with predict_proba function of model
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.feature_importance`
- Function to generate a matplotlib plot of the top45 feature importance from the model.
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.fit`
- Function to fit the model
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.fit_warm_start`
- Function to warm_start fit the model
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.get_deepcopy`
- Function to create a deepcopy of object
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.get_params`
- Function to get the parameter from the model object
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.get_random_config`
- Function to generate one grid configuration
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.get_random_configs`
- Function to generate grid configurations
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.load_model`
- Function to load a pickled model class object
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.predict`
- Function to predict with predict-method from model object
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.predict_proba`
- Function to predict with predict_proba-method from model object
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.randomCVsearch`
- Hyperparametertuning with randomCVsearch
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.replace_grid`
- Function to replace self.grid
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.save_model`
- Function to pickle and save the class object
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.set_params`
- Function to set the parameter of the model object
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.smac_search`
- Hyperparametertuning with SMAC library HyperparameterOptimizationFacade [can only be used in the sam_ml version with swig]
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.train`
- Function to train the model
* - :meth:`~sam_ml.models.classifier.AdaBoostClassifier.ABC.train_warm_start`
- Function to warm_start train the model
.. note::
A lot of methods use parameters for advanced scoring. For additional information on advanced scoring, see :ref:`scoring documentation `
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.cross_validation
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.cross_validation_small_data
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.evaluate
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.evaluate_proba
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.evaluate_score
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.evaluate_score_proba
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.feature_importance
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.fit
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.fit_warm_start
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.get_deepcopy
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.get_params
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.get_random_config
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.get_random_configs
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.load_model
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.predict
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.predict_proba
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.randomCVsearch
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.replace_grid
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.save_model
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.set_params
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.smac_search
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.train
.. automethod:: sam_ml.models.classifier.AdaBoostClassifier.ABC.train_warm_start