[英]How can I fix the ValueError when building the model in TensorFlow?
[英]How can I fix a ValueError when training a model for sentiment analysis?
我正在尝试为情绪分析训练逻辑回归模型。 尝试标准化功能和尝试训练模型时出现以下错误:
我在这里发布了完整的追溯
ValueError Traceback (most recent call last)
~\AppData\Local\Temp/ipykernel_18368/1468496602.py in <module>
----> 1 model = logistic_regression.fit(features, target)
~\anaconda3\anacondadownload\lib\site-packages\sklearn\linear_model\_logistic.py in fit(self, X, y, sample_weight)
1342 _dtype = [np.float64, np.float32]
1343
-> 1344 X, y = self._validate_data(X, y, accept_sparse='csr', dtype=_dtype,
1345 order="C",
1346 accept_large_sparse=solver != 'liblinear')
~\anaconda3\anacondadownload\lib\site-packages\sklearn\base.py in _validate_data(self, X, y, reset, validate_separately, **check_params)
431 y = check_array(y, **check_y_params)
432 else:
--> 433 X, y = check_X_y(X, y, **check_params)
434 out = X, y
435
~\anaconda3\anacondadownload\lib\site-packages\sklearn\utils\validation.py in inner_f(*args, **kwargs)
61 extra_args = len(args) - len(all_args)
62 if extra_args <= 0:
---> 63 return f(*args, **kwargs)
64
65 # extra_args > 0
~\anaconda3\anacondadownload\lib\site-packages\sklearn\utils\validation.py in check_X_y(X, y, accept_sparse, accept_large_sparse, dtype, order, copy, force_all_finite, ensure_2d, allow_nd, multi_output, ensure_min_samples, ensure_min_features, y_numeric, estimator)
869 raise ValueError("y cannot be None")
870
--> 871 X = check_array(X, accept_sparse=accept_sparse,
872 accept_large_sparse=accept_large_sparse,
873 dtype=dtype, order=order, copy=copy,
~\anaconda3\anacondadownload\lib\site-packages\sklearn\utils\validation.py in inner_f(*args, **kwargs)
61 extra_args = len(args) - len(all_args)
62 if extra_args <= 0:
---> 63 return f(*args, **kwargs)
64
65 # extra_args > 0
~\anaconda3\anacondadownload\lib\site-packages\sklearn\utils\validation.py in check_array(array, accept_sparse, accept_large_sparse, dtype, order, copy, force_all_finite, ensure_2d, allow_nd, ensure_min_samples, ensure_min_features, estimator)
671 array = array.astype(dtype, casting="unsafe", copy=False)
672 else:
--> 673 array = np.asarray(array, order=order, dtype=dtype)
674 except ComplexWarning as complex_warning:
675 raise ValueError("Complex data not supported\n"
~\anaconda3\anacondadownload\lib\site-packages\numpy\core\_asarray.py in asarray(a, dtype, order, like)
100 return _asarray_with_like(a, dtype=dtype, order=order, like=like)
101
--> 102 return array(a, dtype, copy=False, order=order)
103
104
~\anaconda3\anacondadownload\lib\site-packages\pandas\core\series.py in __array__(self, dtype)
855 dtype='datetime64[ns]')
856 """
--> 857 return np.asarray(self._values, dtype)
858
859 # ----------------------------------------------------------------------
~\anaconda3\anacondadownload\lib\site-packages\numpy\core\_asarray.py in asarray(a, dtype, order, like)
100 return _asarray_with_like(a, dtype=dtype, order=order, like=like)
101
--> 102 return array(a, dtype, copy=False, order=order)
103
104
ValueError: could not convert string to float: 'clint eastwood return dirti harri calahan movi dirti harri seri clint older he still got harri told vacat troubl happen robberi memor make day catchphras come citi took vacat wors woman turn vigilant rape attack funfair start get punk one one last movi see sandra lock clint eastwood movi improv enforc bit comedi less seriou clint eastwood sunglass gargoyl best known sunglass worn arnold shwartzeneg termin worth watch like clint eastwood dirti harri film like action crime thriller'
如果需要从数据中删除,我不确定如何解决这个问题? 我已经对此进行了一些文本处理,例如删除停用词、小写字母、删除标点符号。
我没有将任何值转换为浮点数
请问您将字符串转换为浮点数是为了什么? float()的用法可以参考文档。
据我所知,他们在情感分析中使用 word2vec 将句子转换为数字序列,而不是 float()。 如果您可以支持更多信息,那就太好了。
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