summary.negbin {MASS}  R Documentation 
Identical to summary.glm
, but with three lines of additional output: the
ML estimate of theta, its standard error, and twice the loglikelihood
function.
## S3 method for class 'negbin': summary(object, dispersion = 1, correlation = TRUE, ...)
object 
Fitted model object of class negbin inheriting from glm and lm .
Typically the output of glm.nb .

dispersion 
as for summary.glm , with a default of 1.

correlation 
as for summary.glm .

... 
arguments passed to or from other methods. 
summary.glm
is used to produce the majority of the output and supply the
result.
This function is a method for the generic function
summary()
for class "negbin"
.
It can be invoked by calling summary(x)
for an
object x
of the appropriate class, or directly by
calling summary.negbin(x)
regardless of the
class of the object.
As for summary.glm
; the additional lines of output are not included in
the resultant object.
A summary table is produced as for summary.glm
, with the additional
information described above.
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.
summary
, glm.nb
, negative.binomial
, anova.negbin
summary(glm.nb(Days ~ Eth*Age*Lrn*Sex, quine, link = log))