AttributeError:' nonepy'对象没有属性' split' Smote
我正在使用Smote重新采样一些数据并获得这样的错误:
attributeError:'nontype'对象没有属性“拆分”
我的代码:
sm = SMOTE(random_state = 42)
X_train_resampled, y_train_resampled = sm.fit_resample(X_train_final, y_train)
有人可以帮助我解决此问题吗?因为我的数据充分问题似乎没有任何问题
:
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-49-9465f7b6ac21> in <module>
1 #resample data using SMOTE
2 sm = SMOTE(random_state = 42)
----> 3 X_train_resampled, y_train_resampled = sm.fit_resample(X_train_final, y_train)
~\AppData\Roaming\Python\Python38\site-packages\imblearn\base.py in fit_resample(self, X, y)
81 )
82
---> 83 output = self._fit_resample(X, y)
84
85 y_ = (
~\AppData\Roaming\Python\Python38\site-packages\imblearn\over_sampling\_smote\base.py in _fit_resample(self, X, y)
322
323 self.nn_k_.fit(X_class)
--> 324 nns = self.nn_k_.kneighbors(X_class, return_distance=False)[:, 1:]
325 X_new, y_new = self._make_samples(
326 X_class, y.dtype, class_sample, X_class, nns, n_samples, 1.0
~\AppData\Roaming\Python\Python38\site-packages\sklearn\neighbors\_base.py in kneighbors(self, X, n_neighbors, return_distance)
761 )
762 if use_pairwise_distances_reductions:
--> 763 results = PairwiseDistancesArgKmin.compute(
764 X=X,
765 Y=self._fit_X,
sklearn\metrics\_pairwise_distances_reduction.pyx in sklearn.metrics._pairwise_distances_reduction.PairwiseDistancesArgKmin.compute()
~\AppData\Roaming\Python\Python38\site-packages\sklearn\utils\fixes.py in threadpool_limits(limits, user_api)
149 return controller.limit(limits=limits, user_api=user_api)
150 else:
--> 151 return threadpoolctl.threadpool_limits(limits=limits, user_api=user_api)
152
153
C:\ProgramData\Anaconda3\lib\site-packages\threadpoolctl.py in __init__(self, limits, user_api)
169 self._check_params(limits, user_api)
170
--> 171 self._original_info = self._set_threadpool_limits()
172
173 def __enter__(self):
C:\ProgramData\Anaconda3\lib\site-packages\threadpoolctl.py in _set_threadpool_limits(self)
266 return None
267
--> 268 modules = _ThreadpoolInfo(prefixes=self._prefixes,
269 user_api=self._user_api)
270 for module in modules:
C:\ProgramData\Anaconda3\lib\site-packages\threadpoolctl.py in __init__(self, user_api, prefixes, modules)
338
339 self.modules = []
--> 340 self._load_modules()
341 self._warn_if_incompatible_openmp()
342 else:
C:\ProgramData\Anaconda3\lib\site-packages\threadpoolctl.py in _load_modules(self)
371 self._find_modules_with_dyld()
372 elif sys.platform == "win32":
--> 373 self._find_modules_with_enum_process_module_ex()
374 else:
375 self._find_modules_with_dl_iterate_phdr()
C:\ProgramData\Anaconda3\lib\site-packages\threadpoolctl.py in _find_modules_with_enum_process_module_ex(self)
483
484 # Store the module if it is supported and selected
--> 485 self._make_module_from_path(filepath)
486 finally:
487 kernel_32.CloseHandle(h_process)
C:\ProgramData\Anaconda3\lib\site-packages\threadpoolctl.py in _make_module_from_path(self, filepath)
513 if prefix in self.prefixes or user_api in self.user_api:
514 module_class = globals()[module_class]
--> 515 module = module_class(filepath, prefix, user_api, internal_api)
516 self.modules.append(module)
517
C:\ProgramData\Anaconda3\lib\site-packages\threadpoolctl.py in __init__(self, filepath, prefix, user_api, internal_api)
604 self.internal_api = internal_api
605 self._dynlib = ctypes.CDLL(filepath, mode=_RTLD_NOLOAD)
--> 606 self.version = self.get_version()
607 self.num_threads = self.get_num_threads()
608 self._get_extra_info()
C:\ProgramData\Anaconda3\lib\site-packages\threadpoolctl.py in get_version(self)
644 lambda: None)
645 get_config.restype = ctypes.c_char_p
--> 646 config = get_config().split()
647 if config[0] == b"OpenBLAS":
648 return config[1].decode("utf-8")
AttributeError: 'NoneType' object has no attribute 'split'
我试图进一步研究自己拥有的数据,但似乎找不到任何问题。
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我发现SMOTE在数据框中无法处理超过15列。更多的列会引起Smote的问题,并且“无类型”异常会引起。
您必须安装ThreadPoolCtl软件包才能解决该问题。
I found out that SMOTE cannot handle more than 15 columns in your data frame. More columns cause issues in SMOTE and a "None Type" exception will raise.
You have to install threadpoolctl package to resolve the issue.
我没有为上述问题提供解决方案(使用Smote时我也面临着这一点),而是解决问题的小建议。
您可以使用其他与smote相关的方法,例如ordendlinesmote等。
就我而言,使用边界线索解决了问题。
此外,我觉得边缘线略微好一些。因为Smote可能会遇到一些问题。
您可以参考以下网站以获取更多信息: -
我希望它能提供某种帮助。
I am not providing a solution to the above problem(which I also faced when using SMOTE), but a small suggestion to work around the problem.
You can use other methods related to SMOTE like BorderlineSMOTE etc.
In my case, using BorderlineSMOTE solved the problem.
Further, I felt that BorderlineSMOTE is slightly better. As SMOTE can have some problems.
You can refer to the following sites for more info:-
I hope it provides some kind of help.
这些错误由于依赖性不一致而发生。运行这些命令以检查库的版本。接下来,转到分销商的官方网站,在这种情况下, https://scikit-learn.org/ 。然后检查您的软件包的版本是否匹配网站上提到的依赖项的版本。
以上命令生成结果:
如果您要安装这些版本,则不会遇到任何问题。 numpy和threadpoolctl版本最重要。
These kinds of errors occur due to inconsistent dependencies. Run these commands to check the versions of your libraries. Next, go to the official site of the distributor, in this case, https://scikit-learn.org/. Then check whether your packages' versions match the versions of the dependencies mentioned on the site.
The above commands generate the results:
If you will install these versions you will not face any issues. Numpy and threadpoolctl versions matters most.