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help for ^soreg^ (Mark Lunt)
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Stereotype Ordered Regression
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soreg depvar varlist [if exp] [in range] [,Maxdim(integer 1)
Constraints(clist)]
Description
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soreg implements the stereotype ordinal regression model proposed by
Anderson. Constraints may be defined to perform constrained
estimation.
Options
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^maxdim^ defines the dimension of the stereotype model to be fitted
^constraints(^clist^)^ specifies the linear constraints to be applied
during estimation. The default is to perform unconstrained
estimation. Constraints are defined with the constraint command.
constraints(1) specifies that the model is to be constrained
according to constraint 1; constraints(1-4) specifies constraints
1 through 4; constraints(1-4,8) specifies 1 through 4 and 8. It
is not considered an error to specify nonexistent constraints as
long as some of the constraints exist. Thus, constraint(1-999)
would specify that all defined constraints be applied.
Remarks
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Stereotype ordinal regression is an alternative to the proportional
odds ordinal regression implemented by ologit.
Author
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Mark Lunt
ARC Epidemiology Unit
University of Manchester
Stopford Building
Oxford Road
Manchester
Mark.Lunt@@man.ac.uk
References
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Anderson, J.A. (1984). "Regression and Ordered Categorical Variables."
Journal of the Royal Statistical Society, Series B 46: 1-30.