Main
NLS Page 		Ratkowsky3
Dataset
Certified 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



Parameter		      Certified
Estimate		      Certified
Std. Dev. of Est.
     beta(1) 6.9964151270E+02 1.6302297817E+01
     beta(2) 5.2771253025E+00 2.0828735829E+00
     beta(3) 7.5962938329E-01 1.9566123451E-01
     beta(4) 1.2792483859E+00 6.8761936385E-01

Residual
     Sum of Squares 8.7864049080E+03
     Standard Deviation 2.8262414662E+01
     Degrees of Freedom 11