[General Information]

Function Name=Bradley 	; name show up in the select function dialog
Brief Description=Bradley Model
Function Type=Built-in		; source type, built-in, user-defined, external dll
Function Form=Expression	; function form;
Function Source=fgroup.Bradley
Number Of Parameters=2
Number Of Independent Variables=1
Number Of Dependent Variables=1


[Fitting Parameters]

Naming Method=user-defined
Names=a,b
Lower bounds=--,--
Upper bounds=--,--
Meanings=unknown,unknown


[Independent Variables]

x =


[Dependent Variables]

y =


[Constants]


[Formula]

y = a*ln(-b*ln(x))

[Constraints]

p1 != p2


[Parameters Initialization]
sort( x_y_curve );
smooth( x_y_curve ); 
Dataset xx;
x_y_curve.AttachX(xx);
xx = ln( ln( xx ) );
double coeff[2];
fitpoly( x_y_curve, 1, coeff );
a = coeff[1];
b = -exp( coeff[0] / coeff[1] );


[Initializations]


[After fitting]


[Controls]
General Linear Constraints=Off
Initialization scripts=Off
Scripts After fitting=Off

