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Need to pare down huge data file for plotting

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  1. #1
    Forum Guru (RIP) Marcol's Avatar
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    Re: Need to pare down huge data file for plotting

    You could use a formula
    Say your data begins A2
    In B2
    =A2
    In B3
    =IF(INDEX(A:A,(ROW(A1)*25)+ROW($A$2),1)="","",INDEX(A:A,(ROW(A1)*25)+ROW($A$2),1))
    Drag/Fill Down

    You could use, instead of ROW($A$2), just 2
    I just used ROW($A$2) to illustrate that we are adding the start row as an "offset" for the returned values.
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  2. #2
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    Re: Need to pare down huge data file for plotting

    watersev
    When I try to download your file, I get a [Microsoft Visual Basic - File not Found] error message, twice; and then another error message regarding 'unreadable contents'.

    But I would really like to see your proposed approach!

    Marcol
    I understand your approach, but the data extends beyond one column.

    For example, I just opened the file from one of this morning's tests.
    The data to plot for three of the spreadsheets extends from columns A through N (for all three sheets), and the number of rows are 54005, 67992, and 41449.

    Thanks for following up!

    Alex

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