Hi Susana,
I ran your code on a fake data frame:
datos<-data.frame(id=paste0("s",1:65),
group=c(rep("control",30),rep("treat",35)),
cannabis0=sample(1:5,65,TRUE),
cannabis6=sample(1:5,65,TRUE),
cannabis9=sample(1:5,65,TRUE),
cannabis12=sample(1:5,65,TRUE),
cannabis18=sample(1:5,65,TRUE))
tim
Dear Susana
Without your dat it is hard to say (and it would have helped to know
where mixor() comes from) but this almost always means that ne of your
parameters to the call is not what you thought it was so trying str(res)
might be enlightening. Also I do not see anywhere in your example wh
Not sure, and we don't have your data, datos, but this is almost always a
bad thing to do:
res<-data.frame(cbind(id, group, time, cannabis))
Change it to:
res<-data.frame(id, group, time, cannabis)
## and you then won't need to name them either
and see if that fixes things.
Also, res$id is prob
Can't tell... example is not reproducible because it is missing "datos'.
On June 9, 2020 4:33:24 AM PDT, SUSANA ALBERICH MESA
wrote:
>Hi,
>I'm trying to run an ordinal mixed effects model with Mixor command. I
>have 65 cases and repeated visits in 0, 6, 9, 12 and 18 months. My code
>is the follo
Hi,
I'm trying to run an ordinal mixed effects model with Mixor command. I have 65
cases and repeated visits in 0, 6, 9, 12 and 18 months. My code is the
following:
cannabis<-c(datos$cannabis0, datos$cannabis6, datos$cannabis9,
datos$cannabis12, datos$cannabis18)
time<-c(rep(0, 65), rep(6, 65),
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