Starting Values

Model: y = f(x;beta) + e  =  (beta(1) + beta(2)x + beta(3)x^2 + beta(4)x^3) / (1 + beta(5)x + beta(6)x^2 + beta(7)x^3) + e

Starting Values

Parameter
Start 1 Start 2 Start 3
beta(1) 1.0000000000E+01 1.0000000000E+00 1.0776351733E+00
beta(2) -1.0000000000E+00 -1.0000000000E-01 -1.2269296921E-01
beta(3) 5.0000000000E-02 5.0000000000E-03 4.0863750610E-03
beta(4) -1.0000000000E-05 -1.0000000000E-06 -1.4262662514E-06
beta(5) -5.0000000000E-02 -5.0000000000E-03 -5.7609940901E-03
beta(6) 1.0000000000E-03 1.0000000000E-04 2.4053735503E-04
beta(7) -1.0000000000E-06 -1.0000000000E-07 -1.2314450199E-07