Avril,
The more direct way to access these columns from the matrix is:
ci[, "lwr"]
ci[, "upr"]
Jean
On Mon, Aug 10, 2015 at 3:20 AM, alc wrote:
>
>
> Dear all,
>
> I'm wondering how can I access the confidence interval values ('upr' and
> 'lwr' values) produced by the 'predict' function. For
Dear Avril
I think you will find that predict.lm returns a matrix not a data frame.
I find str() useful when R does things I did not expect or quite understand.
Michael
On 10/08/2015 09:20, alc wrote:
Dear all,
I'm wondering how can I access the confidence interval values ('upr' and
'lwr'
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