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SAS/INSIGHT Software

Fit Analyses

The relationship between a response variable and a set of explanatory variables can be studied through a regression model

\hspace*{0.2in}
 y_{i} = f( x_{i}) +
 {\varepsilon}_{i}
where yi is the ith observed response value, xi is the ith vector of explanatory values, and { {\varepsilon}_{i}}'s are uncorrelated random variables with zero mean and a common variance.



Surface Plots

Variables

References

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