The NOBS=, DFR= (RDF=), and DFE= (EDF=) options refer to degrees of freedom in this sense. However, these values are not related to the degrees of freedom of a test statistic used in a covariance or ...

Likelihood ratio tests with boundary constraints using data-dependent degrees of freedom EDWARD SUSKO Biometrika , pp. 1019-1023 (5 pages) ...

Too many degrees of freedom? Not to my way of thinking. “It’s just data,” says Apache officer and IBM senior developer Sam Ruby. Of course data takes many forms and flows in many ways.