KeyError: "None of [Index(['relative_ret_30', 'relative_ret_5', 'relative_ret'], dtype='object')] a
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问题
问题描述
KeyError: "None of [Index(['relative_ret_30', 'relative_ret_5', 'relative_ret'], dtype='object')] a,怎么解决
问题策略
https://bigquant.com/experimentshare/45b6df2e1f684bc69fde21a5985f0f63
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