Hi list,
can anybody point me to the trick how glm is computing the dispersion
parameter in quasi-poisson regression, eg.
glm(...,family=quasipoisson)?
Thanks regards, Sven
__
R-help@r-project.org mailing list
On Fri, 9 Apr 2010, Sven Garbade wrote:
Hi list,
can anybody point me to the trick how glm is computing the dispersion
parameter in quasi-poisson regression, eg.
glm(...,family=quasipoisson)?
It's the sum of squared Pearson residuals divided by the residual degrees
of freedom. For example:
On Fri, 9 Apr 2010, Sven Garbade wrote:
Hi list,
can anybody point me to the trick how glm is computing the dispersion
parameter in quasi-poisson regression, eg.
glm(...,family=quasipoisson)?
It isn't. glm() does not need (and does not compute) the dispersion
parameter.
summary.glm will
3 matches
Mail list logo