optuna 0.9.0

v0.9.0

on Python PyPI

This is the release note of v0.9.0. See here for the complete list of solved issues and merged PRs.

New Features

• Add implementation of maximize. (#331)
• Add load_study function. (#330)
• Add Trial.number. (#285)

Compatibility

• Replace Trial.trial_id with Trial.number in dashboard. (#345)
• Deprecate Trial.trial_id attribute. (#344)
• Replace Trial.trial_id with Trial.number in reference, tutorial, and examples. (#342, #341, #340, #339, #338, #337)
• Remove direction argument from Study.__init__. (#335)

Examples

• Add TensorFlow examples. (#323)

Enhancements

• Apply lazy import in optuna.integration for Python 3.x. (#334)

Documents

• Fix code block for resuming study in rdb.rst. (#328, thanks @usernameandme!)

Bug Fixes

• Fix import errors in Python3.5.0 and Python3.5.1. (#326)
• Fix the range of return values of Trial.suggest_discrete_uniform(). (#321)