网格搜索报错：(GridSearchCV): ‘ascii‘ codec can‘t encode characters in position 18-20: ordinal not in r

最新推荐文章于 2025-04-06 10:46:20 发布

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最新推荐文章于 2025-04-06 10:46:20 发布 · 5.4k 阅读

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#机器学习 #深度学习 #算法

本文介绍了如何修复在使用GridSearchCV时遇到的UnicodeEncodeError，重点在于处理n_jobs=-1引发的编码问题，并提供了修改资源跟踪器编码的解决方案。

网格搜索报错：UnicodeEncodeError: ‘ascii’ codec can’t encode characters in position 18-20: ordinal not in range(128)

E:\DLstudy\Scripts\python.exe E:/PycharmProjects/DLstudy/run/train_model.py
[INFO] tuning hyperparameters...
Traceback (most recent call last):
  File "E:\PycharmProjects\DLstudy\run\train_model.py", line 22, in <module>
    model.fit(trainX, trainY)
  File "E:\DLstudy\lib\site-packages\sklearn\model_selection\_search.py", line 820, in fit
    with parallel:
  File "E:\DLstudy\lib\site-packages\joblib\parallel.py", line 725, in __enter__
    self._initialize_backend()
  File "E:\DLstudy\lib\site-packages\joblib\parallel.py", line 735, in _initialize_backend
    n_jobs = self._backend.configure(n_jobs=self.n_jobs, parallel=self,
  File "E:\DLstudy\lib\site-packages\joblib\_parallel_backends.py", line 494, in configure
    self._workers = get_memmapping_executor(
  File "E:\DLstudy\lib\site-packages\joblib\executor.py", line 20, in get_memmapping_executor
    return MemmappingExecutor.get_memmapping_executor(n_jobs, **kwargs)
  File "E:\DLstudy\lib\site-packages\joblib\executor.py", line 42, in get_memmapping_executor
    manager = TemporaryResourcesManager(temp_folder)
  File "E:\DLstudy\lib\site-packages\joblib\_memmapping_reducer.py", line 531, in __init__
    self.set_current_context(context_id)
  File "E:\DLstudy\lib\site-packages\joblib\_memmapping_reducer.py", line 535, in set_current_context
    self.register_new_context(context_id)
  File "E:\DLstudy\lib\site-packages\joblib\_memmapping_reducer.py", line 560, in register_new_context
    self.register_folder_finalizer(new_folder_path, context_id)

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