countif有点象。但因为有成几百个名字,我不想一个个名字输进去查,我原来用手工做过,很容易出错。我想它可以自动产生二个新的column,列出名字和重复的数量
countif有点象。但因为有成几百个名字,我不想一个个名字输进去查,我原来用手工做过,很容易出错。我想它可以自动产生二个新的column,列出名字和重复的数量
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