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EdouardS's avatar
EdouardS
Copper Contributor
Oct 07, 2020
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Polynomial regression using Analysis ToolPack

Hi everyone,   I would like to perform a nonlinear polynomial regression (for example y = ax² + bx + c) and obtain, in addition with the equation and R², the conficende interval and p-value of the ...
  • HansVogelaar's avatar
    Oct 07, 2020

    EdouardS 

    There is no special option for polynomial regression, never has been.

     

    As the links in your post explain, you have to create an extra column: to the right of the column with the x-values, use formulas to return the square of the x-values (i.e. x²). These formulas are of the form

     

    =A2^2

     

    Enter the range consisting of the column with the x-values AND the column with their squares in the Input X Range box.

     

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