[R] One helps with the command "confint"

Peter Dalgaard p.dalgaard at biostat.ku.dk
Tue Sep 16 08:17:02 CEST 2008


getulio coutinho figueiredo wrote:
>  Dear colleagues,
>
> I have used statistical software "R" in academic research, and I find very
> interesting. So now I have started my studies at advanced level. I have
> conducted several statistical models of the type "*nls*". In respect of
> procedures for models of the type nls, I'd like you answer only one question
> that I have had doubts, related to the formula "*confint*":
>
> --- I have stated that confidence interval of the model parameters (nls)
> appear related to 5% and 95. So I would like to change the value of
> percentage of the confidence interval to 5% and 95%? I say this because when
> I write "confint" within the environment of the software R, the results of
> the confidence interval of the model parameters (nls) *always
> appear*related to 2.5% and 97.5%.
>
> Thank you very much!
>   
There's a level= argument, defaulting to 0.95. Just set it to 0.90 instead.

-- 
   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark      Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)              FAX: (+45) 35327907



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