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On the number of categories in an ordered regression model
Author(s) -
Franses Philip Hans,
Cramer J.S.
Publication year - 2010
Publication title -
statistica neerlandica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.52
H-Index - 39
eISSN - 1467-9574
pISSN - 0039-0402
DOI - 10.1111/j.1467-9574.2009.00432.x
Subject(s) - mathematics , regression diagnostic , regression analysis , regression , statistics , linear regression , econometrics , polynomial regression
We show that there is no formal statistical testing method to support combining categories in a standard ordered regression model. We discuss practical implications of this result.