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Deleting Rows based on certain criteria in Large Excel File

  1. 02-02-2022, 12:37 PM #1
    waymoney
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    Question Deleting Rows based on certain criteria in Large Excel File

    Hello,

    I am currently working with a large excel file (currently about 54,000 rows). I am working with data points, and they are measured by the second, while I only need data points for once every minute. I have an elapsed time column that is measured in seconds.

    Is there a way to quickly filter out or delete every row for which the elapsed time is not a multiple of 60? I am only seeing how to delete rows based on a single value in other forums. I'd think a macro might work for this, but I am not too familiar with writing those at the moment.

    Any advice is appreciated!
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  2. 02-02-2022, 01:32 PM #2
    WideBoyDixon
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    Re: Deleting Rows based on certain criteria in Large Excel File

    Add a new column with a formula similar to this:

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    Change the column to be the column that contains that elapsed time. Copy the formula down for all rows then filter the data for this new column value being FALSE. Select all the filtered rows and delete them. Then unfilter the data. You can also delete the new helper column if you wish.

    You could do it with a macro but these few simple steps will help you avoid it.

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  3. 02-02-2022, 01:32 PM #3
    TMS
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    Re: Deleting Rows based on certain criteria in Large Excel File

    Fast answers need visual help. Please read the yellow banner at the top of this page on how to attach a file.
    Trevor Shuttleworth - Retired Excel/VBA Consultant

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  4. 02-02-2022, 01:57 PM #4
    waymoney
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    Re: Deleting Rows based on certain criteria in Large Excel File

    Thanks that works great!
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  5. 02-02-2022, 02:43 PM #5
    Mumps1
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    Re: Deleting Rows based on certain criteria in Large Excel File

    Try this macro. It assumes the elapsed time is in column A. Change the column letter (in red) to suit your needs.
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    You can say "THANK YOU" for help received by clicking the Star symbol at the bottom left of the helper's post.
    Practice makes perfect. I'm very far from perfect so I'm still practising.
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