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Standard error of the mean

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  • December 9, 2004 at 5:16 pm #12670
    luka.peternel@mf.uni-lj.siluka.peternel@mf.uni-lj.si
    Member

    Hi flex pro users,

    I would like to present on the chart three signals as the mean value + standard error of the mean. I was able to create the mean value, however, I have difficulties with the standard error. Do you have any idea how to do this.

    Thanks

    December 9, 2004 at 6:23 pm #9100
    Bernhard KantzBernhard Kantz
    Participant

    You can use the Statistical Characteristic Quantity Analysis Object to calculate different statistical characteristic quantities for a data set or you can create a FPScript formula to calculate the variance:

    NumberOfValues(Signal) / (NumberOfValues(Signal) - 1.L) * (Mean(Signal ** 2.L, PROCESS_COLUMNS) - Mean(Signal, PROCESS_COLUMNS) ** 2.L)

    Support@weisang.com

    December 14, 2004 at 1:00 am #9101
    luka.peternel@mf.uni-lj.siluka.peternel@mf.uni-lj.si
    Member

    Thank you.

    December 14, 2004 at 1:11 am #8333
    luka.peternel@mf.uni-lj.siluka.peternel@mf.uni-lj.si
    Member

    Hi flex pro users,

    I would like to present on the chart three signals as the mean value + standard error of the mean. I was able to create the mean value, however, I have difficulties with the standard error. Do you have any idea how to do this.

    Thanks

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