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Non-Linear Regression Modelling

By Amir Ishak | Sep 25, 2017 06:47AM CEST

Hi,

I was wondering how to get an equation with 3 quantitative explanatory variables (i.e X1,X2,X3) with 1 dependent variable in non-linear regression modelling.

Thank you.

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By Efthalia | Sep 25, 2017 10:54AM CEST | XLSTAT Agent

Hello Amir,

In the Functions tab, you can either use one of the built-in functions or enter your own one.
For a user-defined function, the parameters of the function must be written pr1, pr2, etc.. The explanatory variables must be represented as X1, X2, etc..
Excel functions can be used: Exp(), Sin(), Pi(), Max(), etc. Example of a function: pr1 * Exp( pr2 + pr3 * X1 + pr4 * X2 )

Regards,

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