A factorial designed experiment from chemistry. Three experimental variables representing reactor conditions, and the response, conversion (%) from n-Heptane to acetylene.
A data frame with 16 observations on the following 4 variables.
ratio of H2 to n-heptane (mole ratio)
Contact time (sec)
the response, conversion from n-heptane to acetylene
This data is used in an exercise on regression with many explanatory variables, page 413 of second edition. Original authors assume a quadratic functional form.
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