optuna.study.StudySummary

class optuna.study.StudySummary(study_name, direction, best_trial, user_attrs, system_attrs, n_trials, datetime_start, study_id, *, directions=None)

Basic attributes and aggregated results of a Study.

See also optuna.study.get_all_study_summaries().

Parameters

• study_name (str) –

• direction (Optional[StudyDirection]) –

• best_trial (Optional[FrozenTrial]) –

• user_attrs (Dict[str, Any]) –

• system_attrs (Dict[str, Any]) –

• n_trials (int) –

• datetime_start (Optional[datetime]) –

• study_id (int) –

• directions (Optional[Sequence[StudyDirection]]) –

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

optuna.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