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Regression Analysis Format
I've never had to perform multiple regression through Excel before so forgive
any simple mistakes or assumptions. I'm trying to create a relationship between 3 variables (Crossfall, gradient and flow width) and an output (Area). Having arranged the data in a suitable way that Regression Analysis could be carried out I'm presented with 3 variables. However, nowhere does is specify what in format these variables are applied / combined such that I may produce a result. Is it a simple y=Aa+Bb+Cc+I? Or is there something more complex? I have tried with the above format but the equation does not reproduce the figures that I'm after. Cheers, RickH |
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