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Persist/Serialize ?

질문 Persist/Serialize ?

  • 2012년 2월 28일 화요일 오후 6:58
     
     
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    After training a model and getting a posterior distribution how do you persist or serialize it so you can use the model again in another application or session?  For example if you have a gaussian distribution you have trained what is the best way to store it? Do you just keep mean and std?
     

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  • 2012년 3월 2일 금요일 오전 9:05
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    It will depend on various things. Whether you want long or short term persistence, how efficient you want it to be, what apps you want to communicate with etc.

    You can use standard .NET serialization binary or XML serialization (http://msdn.microsoft.com/en-us/library/7ay27kt9(v=vs.71).aspx); all distributions are marked with a Serializable attribute.

    Or you can explicitly save the defining properties of the distribution; for a Gaussian, you might want to save/load the natural parameters (Precision and MeanTimesPrecision) as these are the two public fields which define the distribution, but you could equally well save mean and precision or mean and variance. You can look in the source folder in your installation to understand distribution classes.

    John

     
  • 2012년 6월 22일 금요일 오후 6:44
     
     
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    Can I save the model as a whole, so that I don't have to build/compile the model again?

    Thanks

     
  • 2012년 6월 25일 월요일 오후 11:20
     
     
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    Whoops, pls ignore. I think I can persist the generated dll. Thanks.
    • 편집됨 exx 2012년 6월 25일 월요일 오후 11:23
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  • 2012년 10월 4일 목요일 오전 10:15
     
     
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    The Infer.NET user guide now has a section on serialization.