Oliver Herbst <oliverherbst <at> gmx.de> writes:
>
> Hi,
>
> I tried to calculate the MLE estimation of a parameter of a gamma
> distribution of a data set, which is called "amount".. I did it with the
> command: fitdistr(amount,"gamma")
>
> and got the error message:
>
> Error in optim(x = c(363.36, 551.15, 603.91, 170.99, 225.21, 218.01,
> 1816.82, :
>
> non-finite finite-difference value [2]
>
> Warning message:
>
> NaNs wurden erzeugt in: dgamma(x, shape, scale, log)
>
> What does it mean? What can I do?
>
Send (or post somewhere if it is too large) the full data set (amount).
(See the posting guide: we like REPRODUCIBLE examples ...)
cheers
Ben Bolker
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