Starting Values

Model: y = f(x;beta) + e  =  beta(1) (1 - (1) / (1 + beta(2)x / 2)^2)) + e

Starting Values

Parameter
Start 1 Start 2 Start 3
beta(1) 5.0000000000E+02 3.0000000000E+02 3.3799746163E+02
beta(2) 1.0000000000E-04 2.0000000000E-04 3.9039091287E-04