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NLS Page 		Roszman1
Dataset
Starting Values

Dataset
Name:
Roszman1

Procedure: Nonlinear Least Squares Regression
Certification Method & Definitions

Data: 1 Response Variable (y)
1 Predictor Variable (x)
25 Observations
Average Level of Difficulty
Observed Data
Model: y = f(x;beta) + e = beta(1) - beta(2)x - (arctan[(beta(8) / (x - beta(4))]) pi) + e


               Starting Values     

Parameter		      Start 1      Start 2      Start 3
     beta(1) 1.0000000000E-01 2.0000000000E-01 2.0196866396E-01
     beta(2) -1.0000000000E-05 -5.0000000000E-06 -6.1953516256E-06
     beta(3) 1.0000000000E+03 1.2000000000E+03 1.2044556708E+03
     beta(4) -1.0000000000E+02 -1.5000000000E+02 -1.8134269537E+02