about lm
Here the rest of the message: changing the storage mode of an object 'factor' is not allowed More: Message opinion: In model.response (mf, "numeric"): using type = "numeric" with a factor response type will be ignored I have attached the file ven.csv 2012/11/16 Rui Barradas <ruipbarradas at sapo.pt>
Hello, The error message is not at all clear. Have you copied and pasted it? Can you post a data example? Using ?dput, for instance. dput(head(mat, 30)) # paste the output of this in a post Rui Barradas Em 16-11-2012 21:44, Sonia Amin escreveu:
Rui and Berend thank you for your help
before posting this mail, I change the name of my data and it becomes
"mat" and
I tried with this line:
lm (ve~ su, data = mat)
I got this message:
Lm.fit error in (x, y, offset = offset = singular.ok singular.ok ...)
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