Displaying 1 result from an estimated 1 matches for "monthmodel2".
2012 Jan 13
1
GLHT in multcomp: Two similar models, one doesn't work
...potheses
Multiple Comparisons of Means: Tukey Contrasts
Linear Hypotheses:
Estimate
M - H == 0 0.2898
SUB - H == 0 -0.2261
SUB - M == 0 -0.5159
I tried to do the same changing factor season (with 2 levels) for month
(with four levels), and i get an error and no results
> monthmodel2<-glm(rojos~ageandsex+sector+month+sector:month,quasipoisson)
> glht(monthmodel2,linfct=mcp(ageandsex="Tukey"))
Error en modelparm.default(model, ...) :
dimensions of coefficients and covariance matrix don't match
I understand nothing, Why this is happen.
I beg for your he...