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I have two equations with this format: $$Ds= A+A^2+\alpha_1\tag{1}$$ and $$Ds= M+M^2+\alpha_2 \tag{2}$$

Knowing that $(1)$ explains 72% of $Ds$ and $(2)$ 20%. I want to combine these two equations into one and know how much this equation explains. Something like:

$$Ds= A+A^2+\alpha_1+M+M^2+\alpha_2$$ (I know it cannot be a sum, but I don't know how to combine this).

Thank you for your answers.

SOSA

P.D: I don't have good notion in mathematics, and I'm not sure about the tag for this question.

Sorry for my bad explanation.

The facts are: I have two factors Age (A) and matrilineal link (M) I have a parameter the David score (Ds, hierarchy rank) I made a quadratic regression with the factor A, and I found that this regression explains 72% of Ds. I did the same thing with the factor M and I found that this regression explains 20% of Ds. So now I want to combine these two equations to explain the parameter Ds with these two factors.

Thank you again for your help

I have this idea: Ds=[(Ds= A+A^2+alpha1) + (Ds= M+M^2+alpha2)]/2

Is it correct? But How can I say how much they explain Ds?

SOSA

  • 0
    What do you mean when you say that an equation explains x% of Ds?2012-12-18
  • 0
    Sorry for my bad explanation. The facts are: I have two factors Age (A) and matrilineal link (M) I have a parameter the David score (Ds, hierarchy rank) I made a quadratic regression with the factor A, and I found that this regression explains 72% of Ds. I did the same thing with the factor M and I found that this regression explains 20% of Ds. So now I want to combine these two equations to explain the parameter Ds with these two factors. Thank you again for your help SOSA2012-12-18

1 Answers 1