Analyze Variability
Regression Equation in Uncoded Units
|
|
Analyze VariabilityRegression Equation in Uncoded Units |
|
Minitab displays the equation of the model in uncoded units if the model is hierarchical.
To use this equation, use Stat > DOE > Factorial > Predict to calculate the predictions and confidence intervals for predictor values that you specify.
Example Output |
|
|
Regression Equation in Uncoded Units
Regression Equation in Uncoded Units
Ln(Std) = -1.30 - 0.158 Material + 0.0148 InjPress + 0.0180 InjTemp + 0.0031 CoolTemp - 0.01322 Material*InjPress + 0.01250 Material*InjTemp + 0.00028 Material*CoolTemp - 0.000141 InjPress*InjTemp - 0.000120 InjPress*CoolTemp + 0.000044 InjTemp*CoolTemp |
Interpretation |
|
For the insulation data, the regression equation is for the natural log of the standard deviation.
