Endometriosis study

Description

How the endometriosis affects concetration of alpha and beta factors in the blood.

Usage

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Format

data.frame with 165 obs. and 4 variables

disease

disease, blood samples were taken from women with endometriosis of from healthy ones

phase

phase in the menstrual cycle as the examination day (proliferative or secretory)

alpha.factor, beta.factor

concentration of alpha and beta factors in blood

Details

Dataset used as example of ANCOVA

Source

Artificial dataset generated to be consistent with Ula S. study

Examples

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data(endometriosis)
library(lattice)
xyplot(log(alpha.factor)~log(beta.factor)|disease*phase, 
            data=endometriosis, type=c("p", "r"))
summary(aov(alpha.factor~beta.factor*disease*phase, data=endometriosis))