5.5.9.10. DOE contour plot

DOE Center Points: What They Are & Why They're Useful

Contour graphs

ContourPlot: Make a contour plot of a function—Wolfram Documentation

Stat-Ease » v11 » Tutorials » Response Surface (pt 3)

Unit 18-2 Interpreting Contour Diagrams

ContourPlot: Make a contour plot of a function—Wolfram Documentation

DoE-based response surface analysis of critical method variables and

ContourPlot: Make a contour plot of a function—Wolfram Documentation

ContourPlot: Make a contour plot of a function—Wolfram Documentation