
Identical to summary.glm
, but with three lines of additional output: the
ML estimate of theta, its standard error, and twice the log-likelihood
function.
# S3 method for negbin
summary(object, dispersion = 1, correlation = FALSE, ...)
As for summary.glm
; the additional lines of output are not included in
the resultant object.
fitted model object of class negbin
inheriting from glm
and lm
.
Typically the output of glm.nb
.
as for summary.glm
, with a default of 1.
as for summary.glm
.
arguments passed to or from other methods.
A summary table is produced as for summary.glm
, with the additional
information described above.
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.
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))
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