Dataset De Miguel and Henneberg Fit Current Fit Log of log Fit* NRMSD Pseudo -R2 NRMSD Pseudo -R2 NRMSD Pseudo -R2 Full set 0.0909 90% 0.0906 86% 0.0932 83% >=1 mioyrs 0.1544 79% 0.1476 85% 0.1495 86% <1 mioyrs 0.1482 63% 0.1325 91% 0.1356 86% *These values are based on the back-transformed log of log values to be on par with the other two fits.

Table 3: Comparison current double exponential fits and the log of log form fitted to specimens [1].