COMMENT --------------------------------------- Betahat - Eckerle4 ---------------------------------------
INPATH C:\Projects\Code\Beta\Benchmarks\Nonlinear
OPEN Eckerle4_NIST.PRN
USE 1 35
'NLS Y   (b1/b2) * exp(-0.5*((x-b3)/b2)**2)  / INPUTB B1=1 B2=10 B3=500
NLS Y   (b1/b2) * exp(-0.5*((x-b3)/b2)**2)  / INPUTB B1=1.5 B2=5 B3=450

COMMENT --------------------------------------- NIST - Eckerle4 ---------------------------------------
'Source is http://www.itl.nist.gov/div898/strd/nls/data/eckerle4.shtml
COMMENT           Starting values                  Certified Values
COMMENT 
COMMENT         Start 1     Start 2           Parameter     Standard Deviation
COMMENT   b1 =     1           1.5         1.5543827178E+00  1.5408051163E-02
COMMENT   b2 =    10           5           4.0888321754E+00  4.6803020753E-02
COMMENT   b3 =   500         450           4.5154121844E+02  4.6800518816E-02
COMMENT 
COMMENT Residual Sum of Squares:                    1.4635887487E-03
COMMENT Residual Standard Deviation:                6.7629245447E-03
COMMENT Degrees of Freedom:                                32
COMMENT Number of Observations:                            35
COMMENT