'num_of_trials': 10, # number of random seeds 'num_of_evaluation_paths': 10, # number of rollouts for evaluation 'num_of_training_paths': 10, # number of training rollouts stored for analysis 'start_of_trial': 0,
时间: 2024-04-21 10:28:45 浏览: 12
这段代码看起来像是一些超参数的设置,可能是用于某个机器学习模型的训练和评估。其中,'num_of_trials'表示使用多少个随机种子进行训练;'num_of_evaluation_paths'表示用于评估的轨迹数;'num_of_training_paths'表示用于分析的训练轨迹数;'start_of_trial'表示从哪个随机种子开始训练。具体的用途需要看上下文和代码实现来确定。
相关问题
上面代码显示ValueError: n_trials must be set,请问该如何修改?
这个错误通常是因为你没有设置 `n_trials` 参数而导致的。 `n_trials` 是指定贝叶斯优化算法运行的最大迭代次数,需要设置一个正整数值。
可以在定义 `study` 对象时指定 `n_trials` 参数的值,例如:
```python
study = optuna.create_study(direction="maximize", study_name="my_study", storage="sqlite:///example.db", load_if_exists=True, n_trials=100)
```
这里将 `n_trials` 设置为 100,你可以根据自己的需求进行调整。
root@in_dev_docker:/apollo# bash scripts/msf_create_lossless_map.sh /apollo/hdmap/pcd_apollo/ 50 /apollo/hdmap/ /apollo/bazel-bin WARNING: Logging before InitGoogleLogging() is written to STDERR E0715 22:08:35.399576 6436 lossless_map_creator.cc:162] num_trials = 1 Pcd folders are as follows: /apollo/hdmap/pcd_apollo/ Resolution: 0.125 Dataset: /apollo/hdmap/pcd_apollo Dataset: /apollo/hdmap/pcd_apollo/ Loaded the map configuration from: /apollo/hdmap//lossless_map/config.xml. Saved the map configuration to: /apollo/hdmap//lossless_map/config.xml. Saved the map configuration to: /apollo/hdmap//lossless_map/config.xml. E0715 22:08:35.767315 6436 lossless_map_creator.cc:264] ieout_poses = 1706 Failed to find match for field 'intensity'. Failed to find match for field 'timestamp'. E0715 22:08:35.769896 6436 velodyne_utility.cc:46] Un-organized-point-cloud E0715 22:08:35.781770 6436 lossless_map_creator.cc:275] Loaded 245443D Points at Trial: 0 Frame: 0. F0715 22:08:35.781791 6436 base_map_node_index.cc:101] Check failed: false *** Check failure stack trace: *** scripts/msf_create_lossless_map.sh: line 11: 6436 Aborted (core dumped) $APOLLO_BIN_PREFIX/modules/localization/msf/local_tool/map_creation/lossless_map_creator --use_plane_inliers_only true --pcd_folders $1 --pose_files $2 --map_folder $IN_FOLDER --zone_id $ZONE_ID --coordinate_type UTM --map_resolution_type single root@in_dev_docker:/apollo# bash scripts/msf_create_lossless_map.sh /apollo/hdmap/pcd_apollo/ 50 /apollo/hdmap/
根据提供的信息,执行脚本 `scripts/msf_create_lossless_map.sh` 时出现了错误。具体的错误信息如:
```
E0715 22:08:35.399576 6436 lossless_map_creator.cc:162] num_trials = 1
Pcd folders are as follows:
/apollo/hdmap/pcd_apollo/
Resolution: 0.125
Dataset: /apollo/hdmap/pcd_apollo
Dataset: /apollo/hdmap/pcd_apollo/
Loaded the map configuration from: /apollo/hdmap//lossless_map/config.xml.
Saved the map configuration to: /apollo/hdmap//lossless_map/config.xml.
Saved the map configuration to: /apollo/hdmap//lossless_map/config.xml.
E0715 22:08:35.767315 6436 lossless_map_creator.cc:264] ieout_poses = 1706
Failed to find match for field 'intensity'.
Failed to find match for field 'timestamp'.
E0715 22:08:35.769896 6436 velodyne_utility.cc:46] Un-organized-point-cloud
E0715 22:08:35.781770 6436 lossless_map_creator.cc:275] Loaded 245443D Points at Trial: 0 Frame: 0.
F0715 22:08:35.781791 6436 base_map_node_index.cc:101] Check failed: false
*** Check failure stack trace: ***
scripts/msf_create_lossless_map.sh: line 11: 6436 Aborted (core dumped) $APOLLO_BIN_PREFIX/modules/localization/msf/local_tool/map_creation/lossless_map_creator --use_plane_inliers_only true --pcd_folders $1 --pose_files $2 --map_folder $IN_FOLDER --zone_id $ZONE_ID --coordinate_type UTM --map_resolution_type single
```
这段错误信息表明在执行脚本时发生了一个检查失败的情况。错误的具体位置在 `base_map_node_index.cc:101`。可能的原因包括:
1. 数据不匹配:脚本中使用的数据可能存在不匹配的情况,例如字段名或者数据格式不正确。
2. 数据文件缺失:脚本所需的某些数据文件可能不存在或者路径不正确。
3. 依赖问题:脚本所依赖的某些组件或库可能缺失或者版本不兼容。
请检查脚本 `scripts/msf_create_lossless_map.sh` 中的相关代码,确保数据文件和依赖项的正确性。如果问题仍然存在,您可以提供更多的上下文信息,以便我们能够更好地帮助您解决问题。