Displaying 1 result from an estimated 1 matches for "agexdisc".
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age_dist
2007 May 14
1
parsing an lmer error with interaction term
...OL425MX075S2 yes of mix
COL425MX075S2 yes of mix
COL425MX075S2 yes of mix
STP560JG118S14 no g pnl
STP560JG118S22 no g pnl
STP560JG118S20 no g pnl
STP560JG118S15 no g pnl
STP560JG118S20 no g int
And here is the model:
lmer_int_ageXdisc <- lmer(Concord ~ Age*Disc
+ (1|Subject), family="binomial", data=d, method="Laplace")
In the actual data set the AgexDisc interaction should have 16 levels.
This produces the error:
Error in devLaplace(PQLpars) : Leading minor of order 7 in downdated X'X is
not po...