anova.ocm {ordinalCont} | R Documentation |
Anova method for Continuous Ordinal Fits
Description
Comparison of continuous ordinal models using likelihood ratio tests.
Usage
## S3 method for class 'ocm'
anova(object, ...)
Arguments
object |
an object of class |
... |
one or more additional |
Details
Likelihood ratio testing of nested models is performed.
Value
The method returns an object of class anova.ocm
and data.frame
, reporting for each model, in hierarchical order:
no.par |
number of parameters |
AIC |
Akaike information criterion |
loglik |
log-likelihood |
LR.stat |
likelihood ratio statistic |
df |
difference in the degrees of freedom in the models being compared |
Pr(>Chisq) |
p-value from the likelihood ratio test |
Author(s)
Maurizio Manuguerra, Gillian Heller
@seealso ocm
, print.anova.ocm
Examples
## Not run:
fit.overall <- ocm(overall ~ cycleno + bsa + treatment, data=ANZ0001.sub, scale=c(0,100))
anova(fit.overall, update(fit.overall, .~. + age))
## End(Not run)
[Package ordinalCont version 2.0.2 Index]