[R] Distribution fitting problem

[Mark Miller]

Can you advise another distribution, was thinking of exponential, but was 
advised poisson since independent, forgot about requiring integers


On Wednesday 02 November 2005 14:44, you wrote:
> Mark Miller wrote:
> > I am using the MASS library function
> >
> > fitdistr(x, dpois, list(lambda=2))
> >
> > but I get
> >
> > Error in optim(start, mylogfn, x = x, hessian = TRUE, ...) :
> >         Function cannot be evaluated at initial parameters
> > In addition: There were 50 or more warnings (use warnings() to see the
> > first 50)
> >
> > and all the first 50 warnings say
> >
> > 1:  non-integer x = 1.452222
> > etc
> >
> > Can anyone tell me what I am doing wrong. p.s. the data was read in from
> > a .csv file that I wrote using octave
>
> Hi, Mark,
>
> If you think the data are poisson, the observations should be integers.
>
> --sundar