stat.anova
GLM Anova Statistics
This is a utility function, used in lm
and
glm
methods for anova(..., test != NULL)
and should not be used by the average user.
- Keywords
- models, regression
Usage
stat.anova(table, test = c("Rao","LRT", "Chisq", "F", "Cp"), scale, df.scale, n)
Arguments
- table
- numeric matrix as results from
anova.glm(..., test = NULL)
. - test
- a character string, partially matching one of
"Rao"
,"LRT"
,"Chisq"
,"F"
or"Cp"
. - scale
- a residual mean square or other scale estimate to be used as the denominator in an F test.
- df.scale
- degrees of freedom corresponding to
scale
. - n
- number of observations.
Value
-
A matrix which is the original
table
, augmented by a column
of test statistics, depending on the test
argument.
References
Hastie, T. J. and Pregibon, D. (1992) Generalized linear models. Chapter 6 of Statistical Models in S eds J. M. Chambers and T. J. Hastie, Wadsworth & Brooks/Cole.
See Also
Examples
library(stats)
##-- Continued from '?glm':
print(ag <- anova(glm.D93))
stat.anova(ag$table, test = "Cp",
scale = sum(resid(glm.D93, "pearson")^2)/4,
df.scale = 4, n = 9)
Community examples
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