Hello Do your code works when the dataset is grouped? I am dealing with this case and so far I can not make your code to worK? Could you please give me a hand? Thank you
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I have a datase order by decile bin. Some of the decile bin are missing. I know how to replace a missing value by the previous one, but I do not know how to replace a missing value by the next not missing value within the same group. Could any one give me a suggestion? Thank you!
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