[英]Jupyter notebook is giving error when using MinMaxScalar or StandardScalar?
使用 PythonAdv kernel 執行 StandardScalar 或 MinMaxScalar 時,jupyter notebook 打印錯誤。 但是,當使用 Python 3 環境時,同一個 jupyter 筆記本工作正常:
from sklearn.preprocessing import MinMaxScaler
# Scale X values
X_scalar = MinMaxScaler().fit(X_train)
#print(X_scalar)
X_train_scaled = X_scaler.transform(X_train)
X_test_scaled = X_scaler.transform(X_test)
錯誤:
---------------------------------------------------------------------------
NameError Traceback (most recent call last)
<ipython-input-5-e5dc00a586d3> in <module>
4 X_scalar = MinMaxScaler().fit(X_train)
5 #print(X_scalar)
----> 6 X_train_scaled = X_scaler.transform(X_train)
7 X_test_scaled = X_scaler.transform(X_test)
NameError: name 'X_scaler' is not defined
I have Anaconda 3, python 3.6 and PythonAdv environments on Git Bash on Windows.
from sklearn.preprocessing import MinMaxScaler
# Scale X values
X_scaler = MinMaxScaler().fit(X_train)
#print(X_scalar)
X_train_scaled = X_scaler.transform(X_train)
X_test_scaled = X_scaler.transform(X_test)
有一個小錯字。 您定義 X_scalar 然后使用 X_scaler。
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