Poisson.fit_constrained(constraints, start_params=None, **fit_kwds)
[source]
fit the model subject to linear equality constraints
The constraints are of the form R params = q
where R is the constraint_matrix and q is the vector of constraint_values.
The estimation creates a new model with transformed design matrix, exog, and converts the results back to the original parameterization.
Parameters: 


Returns: 
results 
Return type: 
Results instance 
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© 2006–2008 Scipy Developers
© 2006 Jonathan E. Taylor
Licensed under the 3clause BSD License.
http://www.statsmodels.org/stable/generated/statsmodels.discrete.discrete_model.Poisson.fit_constrained.html