R: GLM ANOVA Statistics (original) (raw)

stat.anova {stats} R Documentation

Description

This is a utility function, used in lm andglm methods for [anova](../../stats/help/anova.html)(..., test != NULL)and should not be used by the average user.

Usage

stat.anova(table, test = c("Rao","LRT", "Chisq", "F", "Cp"),
           scale, df.scale, n)

Arguments

table numeric matrix as results fromanova.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 TJ, Pregibon D (1992). “Generalized Linear Models.” In Chambers JM, Hastie TJ (eds.), Statistical Models in S, chapter 6. Wadsworth & Brooks/Cole.

See Also

[anova.lm](../../stats/help/anova.lm.html), [anova.glm](../../stats/help/anova.glm.html).

Examples

##-- 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)

[Package _stats_ version 4.6.0 Index]