Displaying 3 results from an estimated 3 matches for "comprting".
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competing
2008 Nov 27
1
Error in Comprting Risks Regression
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2008 Jul 25
1
glht after lmer with "$S4class-" and "missing model.matrix-" errors
Hello everybody.
In my case, calculating multiple comparisons (Tukey) after lmer
produced the following two errors:
> sv.mc <- glht(model.sv,linfct=mcp(comp="Tukey"))
Error in x$terms : $ operator not defined for this S4 class
Error in factor_contrasts(model) :
no 'model.matrix' method for 'model' found!
What I have done before:
> sv.growth <-
2008 Jul 25
0
glht after lmer with "$S4class-" and "missing model.matrix-" errors with DATA
maybe it's in the data? So here it comes.
> sv.growth
Grouped Data: length ~ meas | box_id
meas spec comp water box_id sprouts leaves length
long.sprout
1 1 Sv control moist 1 8.800000 37.80 211.2000
60.6
2 1 Sv xfull moist 2 7.000000 8.00 174.8000
62.8
3 1 Sv control moist 3 9.000000