How to calculate regression with dummy variables?
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Hi, I am trying to use 2nd degree polynomial regression with dummy variables. Which function should I use? Thanks for any help!
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the cyclist
il 17 Lug 2018
Modificato: the cyclist
il 17 Lug 2018
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the cyclist
il 17 Lug 2018
Modificato: the cyclist
il 17 Lug 2018
Do you mean that you have polynomials for your independent variables, like
y = a + b*x + c*x^2
That is a linear model. "Linear" refers to the coefficients, not the powers (or whatever) of the variables.
On the other hand, something like
y = a + x^b
is nonlinear in the coefficient. Yes, you would need fitnlm for something like that.
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