Fig. 2
Description of \({\text{E}}({\text{R}}|{\text{erosion}})=\frac{{\left(1+\uprho \right)}^{{\text{r}}}-{\left(1-\uprho \right)}^{{\text{r}}}}{{\left(1+\uprho \right)}^{{\text{r}}}+{\left(1-\uprho \right)}^{{\text{r}}}}\) as a function of (a) \({\text{E}}\left({\text{Z}}|\mathrm{no\hspace{0.1cm}erosion}\right)={\text{log}}\left(\frac{1+\uprho }{1-\uprho }\right)={\upmu }_{{\text{Z}}}\); (b) \(\uprho ={\text{cor}}\left({\widehat{\mathbf{g}}}_{1},{\mathbf{y}}_{1}\right)\); (c) \({\uprho }^{2}={{\text{cor}}}^{2}\left({\widehat{\mathbf{g}}}_{1},{\mathbf{y}}_{1}\right)\)