Hi,
I have a problem with aov(). I used it many times, but now I have new data,
tried to use it in the same way. I get I strange Error message that i can't
understand (see below). I guess it is caused by incompatible data types. The
dataframe also looks ok to me.
I use:
spk =factor(rep(c("spk1","spk2","spk3","spk4","spk5","spk6","spk7","spk8"),
c(2,2,2,2,2,2,2,2)))
cs = factor(rep(c("yes","no"),c(8,8)))
sub = factor(sort(spaeVP))
rati = stack(data.frame(arousal))
rati = rati[,1]
rating.df <- data.frame(sub, cs, spk, rati)
summary(aov(rati ~ cs*spk + Error(sub/(cs*spk)), data=rating.df))
I get this Error (after about 5sec):
Error in "names<-.default"(`*tmp*`, value = nmstrata) :
names attribute must be the same length as the vector
> rating.df
sub cs spk rati
1 5 yes spk1 -1
2 5 yes spk1 0
3 5 yes spk2 1
4 5 yes spk2 0
5 5 yes spk3 0
6 5 yes spk3 -1
7 5 yes spk4 -1
8 5 yes spk4 1
9 5 no spk5 0
...
Hope somebody can help me.
with best regards,
Wolfgang
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