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  1. J

    Unique ID to duplicate rows

    Thank you Narayan and daffy333 for your inputs. Assigning unique identifier is really easy, but since I am a beginner in excel its little tough for me. I should have mentioned my next step as well. The problem is that I cannot delete duplicate records from 800,000 data points before finding...
  2. J

    Unique ID to duplicate rows

    Hi Chandoo, I have 800,000 records in three columns with hundreds of duplicate records. Data is not arranged in any particular (ascending or descending) order. For eg: X Y J x1 y1 j1 x1 y2 j1 x1 y1 j1 x3 y3 j2 x4 y3 j3 x1 y2 j1 and I want to assign them...
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