NameError: name 'pd' is not defined?

import pandas as pd
from sklearn.tree import DecisionTreeClassifier
from sklearn.model_selection import train_test_split
from sklearn.model_selection import GridSearchCV
from sklearn.model_selection import cross_val_score
import matplotlib.pyplot as plt

 

data = pd.read_csv(r"C:\work\learnbetter\micro-class\week 1 DT\data\data.csv")

 

为什么还是会报错?

NameError: name 'pd' is not defined?

开头添加一行import pandas as pd试试

是用pycharm还是Jupyter?如果是后者,建议重启Jupyter并从头开始运行试一下。

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这怎么办

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请问这个怎么解决