[R] MASS fitdistr()

[Bernardo Rangel Tura]

At 15:49 27-11-2003, you wrote:
>Dear R experts,
>
>I am trying to use the R MASS library fitdistr() to fit the following
>list:
>
>k21stsList<-c(0.76697,0.57642,0.75938,0.82616,0.93706,0.77377,0.58923,0.37157,0.60796,1.00070,0.97529,0.62858,0.63504,0.68697,0.61714,0.75227,1.16390,0.66702,0.83578)
>
>as follows,
>
>library(MASS)
>fitdistr(k21stsList, "normal")
>
>But, I get
>
>Error in fitdistr(k21stsList, "normal") : 'start' must be a named list

Hi

You don´t put the start list, something like this

fitdistr(k21stsList, "normal",list(mean = 0.5 sd = 0.1))

      mean          sd    
  0.74584591   0.17908744 
 (0.04108548) (0.02904255)




Bernardo Rangel Tura, MD, MSc
National Institute of Cardiology Laranjeiras
Rio de Janeiro Brazil