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pAnDAs ConCAt join

在最后加上engine='python'就可以了,即 users = pd.read_table('users.dat', sep='::',header = None, names = unames , engine = 'python')

That's probably as efficient as any, but Pandas/numpy structures are fundamentally not suited for efficiently growing. They work best when they are created with a fixed size and stay that way. – BrenBarnDec 6 '12 at 20:43 appen...

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