About: http://webisa.webdatacommons.org/120504666

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In multiple group analysis, more parameters can vary than in a model where the grouping variable is a covariate where only intercepts and means can vary.
http://www.w3.org/ns/prov#wasQuotedFrom	statmodel.com