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Extract data around extrema

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  • July 5, 2011 at 8:52 am #12726
    Anonymous
    Guest

    Hello,

    I’d like to extract data before and after 1000 from extrema.

    I created following formula but it doesn’t work.

    Dim myP = GlobalExtrema(‘Dataset1’,EVENT_POSITIVE,EVENT_INDEX)
    Dim S, F
    S = myP – 1000
    F = myP + 1000
    ‘Dataset1′[S, F]

    Please tell me what’s wrong with it 😥

    Masahiro

    July 5, 2011 at 8:52 am #8390
    Anonymous
    Guest

    Hello,

    I’d like to extract data before and after 1000 from extrema.

    I created following formula but it doesn’t work.

    Dim myP = GlobalExtrema(‘Dataset1’,EVENT_POSITIVE,EVENT_INDEX)
    Dim S, F
    S = myP – 1000
    F = myP + 1000
    ‘Dataset1′[S, F]

    Please tell me what’s wrong with it 😥

    Masahiro

    July 5, 2011 at 9:10 am #9185
    Bernhard KantzBernhard Kantz
    Participant

    The GlobalExtrema-function returns a data series with the indices. Therefore you have to change your FPScript formula as follows:

    Dim myP = GlobalExtrema(‘Dataset1’, EVENT_POSITIVE, EVENT_INDEX)[0]

    support@weisang.com

    July 5, 2011 at 11:35 am #9186
    Anonymous
    Guest

    Thank you.

    Now it works fine!

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