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    <title>topic How do I replace a prediction expression in a fit model with a specific expression? in Discussions</title>
    <link>https://community.jmp.com/t5/Discussions/How-do-I-replace-a-prediction-expression-in-a-fit-model-with-a/m-p/807952#M98741</link>
    <description>&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I am completing a DOE and I have ran a fit model using the JMP software to define a design space based on desirability of certain variables, however one of the desirability variables is a simple ratio of two of the construct model effects, however when running the model, the model is defining its own&amp;nbsp;prediction expression for this variable rather than using the formula in the data table. Does anyone have any advice on how to replace the&amp;nbsp;prediction expression for a variable with one defined by the user? Any help would be greatly appreciated.&lt;/P&gt;</description>
    <pubDate>Thu, 24 Oct 2024 12:40:05 GMT</pubDate>
    <dc:creator>supermackie93</dc:creator>
    <dc:date>2024-10-24T12:40:05Z</dc:date>
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      <title>How do I replace a prediction expression in a fit model with a specific expression?</title>
      <link>https://community.jmp.com/t5/Discussions/How-do-I-replace-a-prediction-expression-in-a-fit-model-with-a/m-p/807952#M98741</link>
      <description>&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I am completing a DOE and I have ran a fit model using the JMP software to define a design space based on desirability of certain variables, however one of the desirability variables is a simple ratio of two of the construct model effects, however when running the model, the model is defining its own&amp;nbsp;prediction expression for this variable rather than using the formula in the data table. Does anyone have any advice on how to replace the&amp;nbsp;prediction expression for a variable with one defined by the user? Any help would be greatly appreciated.&lt;/P&gt;</description>
      <pubDate>Thu, 24 Oct 2024 12:40:05 GMT</pubDate>
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      <dc:creator>supermackie93</dc:creator>
      <dc:date>2024-10-24T12:40:05Z</dc:date>
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