Figure 7.

Histogram showing frequency of parameters (a) ${\gamma }_{\mathrm{ra}}^{\ast }$ and (b) ${\gamma }_{\mathrm{on},\mathrm{a}}^{\ast }$ for different bootstrap realizations in each interval denoted with a bar (ω₁= 10 000 s² µm⁻², ω₂= 1). (Online version in colour.)