optuna.multi_objective.trial.FrozenMultiObjectiveTrial¶

class optuna.multi_objective.trial.FrozenMultiObjectiveTrial(n_objectives, trial)[source]¶

Status and results of a MultiObjectiveTrial.

number¶: Unique and consecutive number of MultiObjectiveTrial for each MultiObjectiveStudy. Note that this field uses zero-based numbering.

state¶: TrialState of the MultiObjectiveTrial.

values¶: Objective values of the MultiObjectiveTrial.

datetime_start¶: Datetime where the MultiObjectiveTrial started.

datetime_complete¶: Datetime where the MultiObjectiveTrial finished.

params¶: Dictionary that contains suggested parameters.

distributions¶: Dictionary that contains the distributions of params.

user_attrs¶: Dictionary that contains the attributes of the MultiObjectiveTrial set with optuna.multi_objective.trial.MultiObjectiveTrial.set_user_attr().

intermediate_values¶: Intermediate objective values set with optuna.multi_objective.trial.MultiObjectiveTrial.report().

Warning

Deprecated in v2.4.0. This feature will be removed in the future. The removal of this feature is currently scheduled for v4.0.0, but this schedule is subject to change. See https://github.com/optuna/optuna/releases/tag/v2.4.0.

Attributes

`datetime_complete`
`datetime_start`
`distributions`
`last_step`
`number`
`params`
`state`
`system_attrs`
`user_attrs`