deleting all rows from column 1 with duplicates in column 2.

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Rafael Borobio Castillo
评论： Rafael Borobio Castillo 2023-8-1
I have the following Table: Column 1 is the product ID and Column 2 is the previous product ID.
I want to delete all duplicates, so all values that are shown in colum 2 must be deleted from column 1. How can I do this.

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采纳的回答

Matt J
Matt J 2023-8-1
setdiff(Column1,Column2)
  1 个评论
Rafael Borobio Castillo
Rafael Borobio Castillo 2023-8-1
Thanks it works quite well, at the end I finished using ismember to identificate the position of the duplicates because I need to eliminate this from a larger dataset.
All the best, Rafael

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