[英]TypeError at '' __init__() got an unexpected keyword argument ''
[英]TypeError: __init__() got an unexpected keyword argument 'shuffle'
在python 2.6.6中運行代碼時遇到此錯誤。 在Python 3.4.3中運行時沒有問題
usr/lib64/python2.6/site-packages/sklearn/feature_selection/univariate_selection.py:319: UserWarning: Duplicate scores. Result may depend on feature ordering.There are probably duplicate features, or you used a classification score for a regression task.
warn("Duplicate scores. Result may depend on feature ordering."
Traceback (most recent call last):
File "classification.py", line 31, in <module>
main()
File "classification.py", line 15, in main
tm.optimaltrain(conf)
File "/axp/gabm/npscnnct/dev/getThemes/textminer/textminer/classify.py", line 121, in optimaltrain
score = self.cv(X,y,model)
File "/axp/gabm/npscnnct/dev/getThemes/textminer/textminer/classify.py", line 140, in cv
skf = cross_validation.StratifiedKFold(y, n_folds=self.cv_folds, shuffle=True)
TypeError: __init__() got an unexpected keyword argument 'shuffle'
碼:
def cv(self, X, y, model):
y_true = []
y_pred = []
skf = cross_validation.StratifiedKFold(y, n_folds=self.cv_folds, shuffle=True)
for train_index, test_index in skf:
X_train, X_test = X[train_index], X[test_index]
y_train, y_test = y[train_index], y[test_index]
model.fit(X_train, y_train)
y_pred += list(model.predict(X_test))
y_true += list(y_test)
但是,當我從代碼中刪除Shuffle=True
時,它的運行正常。 我正在使用的模塊是scipy 0.11.0,nltk 2.0.1,sklearn 0.14.1
請指教。 謝謝
這是您的sklearn
版本( 0.14
)的sklearn
: https : //github.com/scikit-learn/scikit-learn/blob/0.14.X/sklearn/cross_validation.py#L391
我已經鏈接到StratifiedKFold
init的實際行-這表明沒有shuffle
關鍵字參數。
升級到v 0.15
,它確實具有shuffle
(如此處所示: https : //github.com/scikit-learn/scikit-learn/blob/0.15.X/sklearn/cross_validation.py#L399 )。
我將假設您在Py3
上的sklearn
版本為0.15
?
在sklearn 0.14中, cross_validation.StratifiedKFold()
沒有關鍵字參數shuffle
。 顯然,它只是在以后的版本中添加(實際上是0.15)。
您可以在分層之前更新sklearn或自己隨機調整輸入(例如,使用random.shuffle()
)。
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