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Remove duplicates function not removing duplicates

  1. #1
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    Unhappy Remove duplicates function not removing duplicates

    Hi there!

    I have a spreadsheet that I'm using to plot two time domain signals against each other. I'm still ironing out the kinks at the moment and a problem that I've encountered is that excel isn't removing dupicate time values for one of the signals.
    It's telling me that it's found duplicates deleted them and theres something like 130,000 unique values remaining, but it doesn't delete the duplicate values and instead just deletes everything after sample 130,000.

    I thought at first that because they were calculated by a formula, that would be causing a problem so I copied the values only and it still won't remove the duplicates.
    I thought then that because I have more than 32,000 values (about 440,000 values) that would be causing the issue, so I split the column up so that it had on 30,000 values and it still didn't remove the duplicates.

    It's strange because excel will remove duplicates with no problems for the smaller time domain signal that is in the spreadsheet with no problems.
    I've included the spreadsheet here (without the macro that I've been using to import the data automatically)
    https://www.dropbox.com/s/i4ygc7bxy4...Test.xlsx?dl=0

    Any ideas?
    Last edited by Berilium2; 04-01-2015 at 06:45 AM.

  2. #2
    Forum Guru Glenn Kennedy's Avatar
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    Re: Remove duplicates function not removing duplicates

    Your file is causing some problems. Is it huge? Please cut it back to a reasonable size and post again (on this site, not an external site).
    Glenn



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    Re: Remove duplicates function not removing duplicates

    I can't cut it down to below 1mb without deleting nearly all of the data
    Here's a new link however which I hope works
    https://www.dropbox.com/s/i4ygc7bxy4...Test.xlsx?dl=0

  4. #4
    Forum Guru Glenn Kennedy's Avatar
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    Re: Remove duplicates function not removing duplicates

    Hi. I used Excel's remove duplicates function, selecting columns E to H and it appears to have removed 40,000+ rows - the total is now less than 400,000 rows.

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