Re: [R] Estimated Standard Error for Theta in zeroinfl()

2010-02-24 Thread Lam, Tzeng Yih
-project.org Subject: Re: [R] Estimated Standard Error for Theta in zeroinfl() On Tue, 16 Feb 2010, Lam, Tzeng Yih wrote: > Dear Dr. Turner, > > Thank you very much for taking the time to answer my request. The suggestion > that you have provided did ring a bell for me. So, I went digging a bit

Re: [R] Estimated Standard Error for Theta in zeroinfl()

2010-02-16 Thread Achim Zeileis
m, Tzeng Yih Cc: r-help@r-project.org Subject: Re: [R] Estimated Standard Error for Theta in zeroinfl() On 15/02/2010, at 12:49 PM, Lam, Tzeng Yih wrote: Dear R Users, When using zeroinfl() function to fit a Zero-Inflated Negative Binomial (ZINB) model to a dataset, the summary() gives an

Re: [R] Estimated Standard Error for Theta in zeroinfl()

2010-02-16 Thread Lam, Tzeng Yih
Standard Error for Theta in zeroinfl() On Sun, 14 Feb 2010, Lam, Tzeng Yih wrote: > Dear R Users, > > When using zeroinfl() function to fit a Zero-Inflated Negative Binomial > (ZINB) model to a dataset, the summary() gives an estimate of log(theta) > and its standard error, z-value and P

Re: [R] Estimated Standard Error for Theta in zeroinfl()

2010-02-16 Thread Lam, Tzeng Yih
ner [r.tur...@auckland.ac.nz] Sent: Sunday, February 14, 2010 4:53 PM To: Lam, Tzeng Yih Cc: r-help@r-project.org Subject: Re: [R] Estimated Standard Error for Theta in zeroinfl() On 15/02/2010, at 12:49 PM, Lam, Tzeng Yih wrote: > Dear R Users, > > When using zeroinfl() function to fit a Zer

Re: [R] Estimated Standard Error for Theta in zeroinfl()

2010-02-15 Thread Achim Zeileis
On Sun, 14 Feb 2010, Lam, Tzeng Yih wrote: Dear R Users, When using zeroinfl() function to fit a Zero-Inflated Negative Binomial (ZINB) model to a dataset, the summary() gives an estimate of log(theta) and its standard error, z-value and Pr(>|z|) for the count component. Additionally, it als

Re: [R] Estimated Standard Error for Theta in zeroinfl()

2010-02-14 Thread Rolf Turner
On 15/02/2010, at 12:49 PM, Lam, Tzeng Yih wrote: > Dear R Users, > > When using zeroinfl() function to fit a Zero-Inflated Negative Binomial > (ZINB) model to a dataset, the summary() gives an estimate of log(theta) and > its standard error, z-value and Pr(>|z|) for the count component. > Ad

[R] Estimated Standard Error for Theta in zeroinfl()

2010-02-14 Thread Lam, Tzeng Yih
Dear R Users, When using zeroinfl() function to fit a Zero-Inflated Negative Binomial (ZINB) model to a dataset, the summary() gives an estimate of log(theta) and its standard error, z-value and Pr(>|z|) for the count component. Additionally, it also provided an estimate of Theta, which I belie