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Filtering an array using another array

  1. #1
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    Filtering an array using another array

    Hello

    I have 2 arrays
    ArrA = Array("A", "B", "C", "D", "E", "F")
    ArrB = Array(0, 0, 1, 0, 1, 0)

    I want to filter array ArrA by array ArrB
    The desired result is a new array MyArr
    which will contain only the values different from zero in the product of the two arrays

    I tried using:
    MyArr = Filter(ArrA, ArrB)

    the desired result
    MyArr (0)="C"
    MyArr (1)="E"

    Is there a simple way to do it without loops?

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    Re: Filtering an array using another array

    Filter will not work in this situation as it is only able to Filter the first array (ArrA) based on a string and the criteria set in the rest of the arguments. It's worth looking at this documentation which explains how it works, https://learn.microsoft.com/en-us/of...ilter-function.

    I don't think it is possible to do this in VBA without looping. Can I ask why you don't want to loop? Functions like Filter etc mostly have loops operating beneath the surface anyway.
    Giuseppe
    www.effinovate.com

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    Re: Filtering an array using another array

    Thank you very much for the response

    The desired result is part of another macro that needs to be done many times
    Therefore I am looking for an efficient way to find the final values

    If there is no other way besides loops, I would appreciate for advice or an example
    How can you do it with a loop

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    Re: Filtering an array using another array

    In that particular small arrays.
    Please Login or Register  to view this content.

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    Re: Filtering an array using another array

    Attachment 825699

    Using the filter function in the worksheet brings the desired result

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    Re: Filtering an array using another array

    Wowwww

    An elegant and really genius solution!!!!!!!

    Thank you

    Exactly what I needed!!!

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    Re: Filtering an array using another array

    If your version can use Filter worksheet function then simply
    Please Login or Register  to view this content.
    then you need to adjust the L/Ubound with Redim Preserve key word.

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    Re: Filtering an array using another array

    Quote Originally Posted by jindon View Post
    If your version can use Filter worksheet function then simply
    Please Login or Register  to view this content.
    then you need to adjust the L/Ubound with Redim Preserve key word.
    Even simpler than the excellent solution you gave earlier
    Thank you

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