ANOVA for the log-contrast GLM versus the uncostrained GLM {Compositional} | R Documentation |
ANOVA for the log-contrast GLM versus the uncostrained GLM.
lcglm.aov(mod0, mod1)
mod0 |
The log-contrast GLM. The object returned by |
mod1 |
The unconstrained GLM. The object returned by |
A chi-square test is performed to test the zero-to-sum constraints of the regression coefficients.
A vector with two values, the chi-square test statistic and its associated p-value.
Michail Tsagris.
R implementation and documentation: Michail Tsagris mtsagris@uoc.gr.
y <- rbinom(150, 1, 0.5)
x <- as.matrix(iris[, 2:4])
x <- x / rowSums(x)
mod0 <- lc.glm(y, x)
mod1 <- ulc.glm(y, x)
lcglm.aov(mod0, mod1)