These data are from a central composite design with 2 factors in 2 blocks. The design variables are in actual, not coded, form.
1 2 3
A data frame with 14 observations on the following 4 variables.
a numeric vector; design variable with settings of 80, 85, and 90.
a numeric vector; design variable with settings of 170, 175, and 180.
a factor with levels
B1 is a first-order design with 3 center points.
B2 consists of axis points and 3 more center points.
a numeric vector; response variable: yield of the chemical process.
ChemReact2 are the separate blocks.
Each has 7 runs and three variables (
Block is excluded from these).
Table 7.6 of Myers, RH, Montgomery, DC, and Anderson-Cook, CM (2009), Response Surface Methodology (3rd ed.), Wiley.
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