Dear all,
For my research I need to perform a Levene's test on my data.I have not
large experience with this test and with R,so I have some problems to use
the leveneTest function. I read some previous posts on this topic but I
cannot understand what I have to do.
I have a five-columns data frame organised in the following way:
number of observation, number of subject, score, type of treatment (I have 4
of them), number of replication (3 replications).
My idea was:
leveneTest(score~treatm*rep,data.ex,center=median)
where:
treatm is the treatments' column
rep is the replications' column
data.ex is the data frame.
thank you
giovanna
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