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NLS Page 		Ratkowsky3
Dataset
Starting Values

Dataset
Name:
Rat43

Procedure: Nonlinear Least Squares Regression
Certification Method & Definitions

Data: 1 Response Variable (y)
1 Predictor Variable (x)
15 Observations
Higher Level of Difficulty
Observed Data
Model: y = f(x;beta) + e = (beta(1)) / (1 + exp[beta(2) - beta(3)x])^1/beta(4) + e


               Starting Values     

Parameter		      Start 1      Start 2      Start 3
     beta(1) 1.0000000000E+02 7.0000000000E+02 6.9964151270E+02
     beta(2) 1.0000000000E+01 5.0000000000E+00 5.2771253025E+00
     beta(3) 1.0000000000E+00 7.5000000000E-01 7.5962938329E-01
     beta(4) 1.0000000000E+00 1.3000000000E+00 1.2792483859E+00