optuna.study.StudySummary

class optuna.study.StudySummary(study_name: str, direction: Optional[optuna._study_direction.StudyDirection], best_trial: Optional[optuna.trial._frozen.FrozenTrial], user_attrs: Dict[str, Any], system_attrs: Dict[str, Any], n_trials: int, datetime_start: Optional[datetime.datetime], study_id: int, *, directions: Optional[Sequence[optuna._study_direction.StudyDirection]] = None)[source]

Basic attributes and aggregated results of a Study.

See also optuna.study.get_all_study_summaries().

study_name

Name of the Study.

direction

StudyDirection of the Study.

Note

This attribute is only available during single-objective optimization.

directions

A sequence of StudyDirection objects.

best_trial

FrozenTrial with best objective value in the Study.

user_attrs

Dictionary that contains the attributes of the Study set with optuna.study.Study.set_user_attr().

system_attrs

Dictionary that contains the attributes of the Study internally set by Optuna.

n_trials

The number of trials ran in the Study.

datetime_start

Datetime where the Study started.

Attributes

direction

directions