Re: [R] Zinb for Non-interger data

2009-07-21 Thread Vito Muggeo (UniPa)
I think that the (impressive) gamlss package (see http://www.gamlss.com) may be helpful. If I remember correctly, in gamlss you can fit model with zero-inflated continuous distributions hope this helps you, vito Alain Zuur ha scritto: JPS2009 wrote: Sorry bit of a Newbie question, and I

Re: [R] Zinb for Non-interger data

2009-07-20 Thread Alain Zuur
JPS2009 wrote: Sorry bit of a Newbie question, and I promise I have searched the forum already, but I'm getting a bit desperate! I have over-dispersed, zero inflated data, with variance greater than the mean, suggesting Zero-Inflated Negative Binomial - which I attempted in R with the

[R] Zinb for Non-interger data

2009-07-19 Thread JPS2009
Sorry bit of a Newbie question, and I promise I have searched the forum already, but I'm getting a bit desperate! I have over-dispersed, zero inflated data, with variance greater than the mean, suggesting Zero-Inflated Negative Binomial - which I attempted in R with the pscl package suggested on

Re: [R] Zinb for Non-interger data

2009-07-19 Thread Ted Harding
On 18-Jul-09 17:26:36, JPS2009 wrote: Sorry bit of a Newbie question, and I promise I have searched the forum already, but I'm getting a bit desperate! I have over-dispersed, zero inflated data, with variance greater than the mean, suggesting Zero-Inflated Negative Binomial - which I