Bivariate Quadratic Designs

These levelplots show the prediction variance for I-optimal experiment designs with two continuous variables on [-1,1] for a quadratic model with various numbers of runs.

The designs were found with N. J. A. Sloane's Gosset and plotted using Lattice graphics in R.

doe_quadratic is the Gosset input.

doe1_plots.R is the R code for making the plots.

Email john at pitney.org for details.

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