Fitting Linear Models • Model Specification • Examples of Model Specifications and Their Model Fits • Polynomial in X and Z to Degree k
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Polynomial in X and Z to Degree k
Effects to be entered: X, X*X, ..., Xk, Z, Z*Z, ..., Zk
1.
Type k into the text box for Degree.
2.
In the Select Columns list, select X and Z.
3.
Select Macros > Polynomial to Degree.
For a plot of a degree-two fit for a polynomial in two variables, see Figure 1.21.

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Help created on 10/11/2018