[R] about lm

[Sonia Amin]

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 ...)
>>
>>         [[alternative HTML version deleted]]
>>
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>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>