DataFrame (np.zeros(shape=(10,2)),columns=["a","b"]) data Out[14]: a b 0 0 ... If you are replacing the entire row then you can just use an ... ... <看更多>

In your code, you passed smallDF.index directly. The interpreter considers this as a list of column names. So your code will be interpreted ... ... <看更多>

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I have checked that this issue has not already been reported. I have confirmed this bug exists on the latest version of pandas. ... <看更多>