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  1. #1
    Join Date
    May 2010
    Posts
    3

    Smile mathematical tools for calculation of similarity of the objects

    good day, i need help,
    i have database, and i need some mathematical tools for calculation of similarity between real process(process, which already has been done and database has data of this very process) and standard process(it's means, how process have to be).
    Thank you for your help!)

  2. #2
    Join Date
    May 2009
    Posts
    2,413

    Re: mathematical tools for calculation of similarity of the objects

    Define "similarity" in a clear and concise way.

  3. #3
    Join Date
    May 2010
    Posts
    3

    Re: mathematical tools for calculation of similarity of the objects

    Quote Originally Posted by nuzzle View Post
    Define "similarity" in a clear and concise way.
    indicate existing differences between real process and standard process.

  4. #4
    Join Date
    Aug 2002
    Location
    Madrid
    Posts
    4,588

    Re: mathematical tools for calculation of similarity of the objects

    If you can define your "similarity" mathematically, then you're halfway there. If you can't then you should probably try to find out what you think of when you think of your "similarity". Statistical methods like standard deviation, curve fitting etc. come to mind, but not knowing your data, it's impossible to tell.
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  5. #5
    Join Date
    May 2009
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    2,413

    Re: mathematical tools for calculation of similarity of the objects

    Quote Originally Posted by qaswq View Post
    indicate existing differences between real process and standard process.
    I still don't know what you mean but you can Google for "similarity of time series". Maybe that's what you're looking for.

  6. #6
    Join Date
    May 2010
    Posts
    3

    Talking Re: mathematical tools for calculation of similarity of the objects

    thanks

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