Another case of -1.0 correlation of random effects
Kevin E. Thorpe <kevin.thorpe at ...> writes:
My data come from a crossover trial and are balanced.
> str(gluc)
'data.frame': 96 obs. of 4 variables: $ Subject : int 1 2 3 5 6 7 10 11 12 13 ... $ Treatment: Factor w/ 2 levels "Barley","Oat": 1 1 1 1 1 1 1 1 1 1 ... $ Dose : int 8 8 8 8 8 8 8 8 8 8 ... $ iAUC : num 110 256 129 207 244 ...
clip>
Shouldn't you make Subject into a factor? Ken
Ken Knoblauch Inserm U846 Stem-cell and Brain Research Institute Department of Integrative Neurosciences 18 avenue du Doyen L?pine 69500 Bron France tel: +33 (0)4 72 91 34 77 fax: +33 (0)4 72 91 34 61 portable: +33 (0)6 84 10 64 10 http://www.sbri.fr/members/kenneth-knoblauch.html