optuna.visualization.matplotlib.plot_timeline
- optuna.visualization.matplotlib.plot_timeline(study)[source]
Plot the timeline of a study.
See also
Please refer to
optuna.visualization.plot_timeline()
for an example.Example
The following code snippet shows how to plot the timeline of a study.
import time import optuna def objective(trial): x = trial.suggest_float("x", 0, 1) time.sleep(x * 0.1) if x > 0.8: raise ValueError() if x > 0.4: raise optuna.TrialPruned() return x ** 2 study = optuna.create_study(direction="minimize") study.optimize( objective, n_trials=50, n_jobs=2, catch=(ValueError,) ) optuna.visualization.matplotlib.plot_timeline(study)
- Parameters:
study (Study) – A
Study
object whose trials are plotted with their lifetime.- Returns:
A
matplotlib.axes.Axes
object.- Return type:
Note
Added in v3.2.0 as an experimental feature. The interface may change in newer versions without prior notice. See https://github.com/optuna/optuna/releases/tag/v3.2.0.