robustbase (version 0.99-4-1)

CrohnD: Crohn's Disease Adverse Events Data

Description

Data set issued from a study of the adverse events of a drug on 117 patients affected by Crohn's disease (a chronic inflammatory disease of the intestines).

Usage

data(CrohnD, package="robustbase")

Format

A data frame with 117 observations on the following 9 variables.

%% FIXME: leave these away -- or explain: -- they code patient sub-groups

ID

the numeric patient IDs

nrAdvE

the number of adverse events

BMI

Body MASS Index, i.e., \(weight[kg] / (height[m])^2\).

height

in cm

country

a factor with levels 0 and 1

sex

the person's gender, a binary factor with levels M F

age

in years, a numeric vector

weight

in kilograms, a numeric vector

treat

how CD was treated: a factor with levels 0, 1 and 2, meaning placebo, drug 1 and drug 2.

References

Serigne N. Lô and Elvezio Ronchetti (2006). Robust Second Order Accurate Inference for Generalized Linear Models. Technical report, University of Geneva, Switzerland.

Examples

data(CrohnD)
str(CrohnD)
with(CrohnD, ftable(table(sex,country, treat)))