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Central Composite Response Surface Method |
This example validates the calculation of the central composite response surface method.
Reference Case
Data is from Example 11-1 on page 431 in the book “Design and Analysis of Experiments” by Douglas C. Montgomery, John Wiley & Sons, 2001.
Data
| Natural Variables | Coded Variables | Responses | ||
|---|---|---|---|---|
| A (time) | B (temperature) | A | B | Y( yield) |
| 8076.580 | 170 | -1 | -1 | 76.5 |
| 80 | 180 | -1 | 1 | 77 |
| 90 | 170 | 1 | -1 | 78 |
| 90 | 180 | 1 | 1 | 79.5 |
| 85 | 175 | 0 | 0 | 79.9 |
| 85 | 175 | 0 | 0 | 80.3 |
| 85 | 175 | 0 | 0 | 80.0 |
| 85 | 175 | 0 | 0 | 79.7 |
| 85 | 175 | 0 | 0 | 79.8 |
| 92.07 | 175 | 1.414 | 0 | 78.4 |
| 77.93 | 175 | -1.414 | 0 | 75.6 |
| 85 | 182.07 | 0 | 1.414 | 78.5 |
| 85 | 167.93 | 0 | -1.414 | 77 |
Result
Results in DOE++