Hi all,
I posted this question on Cross Validated a while ago but have never gotten an
answer.
I am trying to see if a discrete distribution will fit a family of zero
inflated distributions. I used fitdist from fitdistrplus and several gamlss
ZIP functions. Here is a descriptive stat of my distribution;
Min. 1st Qu. Median Mean 3rd Qu. Max.
0 3 45 13520 630 469000
When I used fitdist, I run into this error message, sigma must be between 0 and
1
but estimated sigma of my distribution is 66346.55, which is a way out of the
range. Is there any ways to get around this ? I really appreciate any
pointers.
Thanks.
Akii
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