summary.negbin
Summary Method Function for Objects of Class 'negbin'
Description
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.
Usage
## S3 method for class 'negbin' summary(object, dispersion = 1, correlation = FALSE, ...)
Arguments
object | fitted model object of class |
dispersion | as for |
correlation | as for |
... | arguments passed to or from other methods. |
Details
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.
Value
As for summary.glm
; the additional lines of output are not included in the resultant object.
Side Effects
A summary table is produced as for summary.glm
, with the additional information described above.
References
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.
See Also
summary
, glm.nb
, negative.binomial
, anova.negbin
Examples
summary(glm.nb(Days ~ Eth*Age*Lrn*Sex, quine, link = log))
Copyright (©) 1999–2012 R Foundation for Statistical Computing.
Licensed under the GNU General Public License.