Overview | Fitting the two surfaces | Comparing the optima | Design-matched coverage check | Small angles and alignment | Plotting the surfaces | Local curvature and surface area | References

Overview | How the matrix was built | Headline result: viability-wing size trade-off by temperature and population | Hierarchical clustering and multidimensional scaling | Surface overlay plots | Refitting viability with a quasibinomial GLM | Joint uncertainty across the matrix | Headline strip chart | References