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问题请教 #1

@PWmilk

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@PWmilk

您好,最近在学习python,看到您的实例我觉得非常好,清晰易懂,有一点小问题需要向您请教一下。
在Task2特征工程中,利用IV值和随机森林方法进行计算,我通过您的程序运行以后程序提示错误:
错误原因:


NameError Traceback (most recent call last)
in
24
25 return iv_df,ivlist
---> 26 im_iv, ivl = caliv_batch(data_prepared.iloc[:,:-1],data_prepared.iloc[:,-1])

NameError: name 'data_prepared' is not defined

想请教您这个东西应该如何定义?感谢不吝赐教,谢谢大佬!

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