Error: contrasts can be applied only to factors with 2 or more levels

Thu, May 16, 2013 8:05 AM

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Thread (4 messages)

Belair, Ethan D Error: contrasts can be applied only to factors with 2 or more levels May 16 John Kane Error: contrasts can be applied only to factors with 2 or more levels May 16 arun Error: contrasts can be applied only to factors with 2 or more levels May 16 Rolf Turner Error: contrasts can be applied only to factors with 2 or more levels May 16