CrohnD {robustbase}R Documentation

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)

Format

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

ID
the numeric patient IDs
nrAdvE
the number of adverse events
BMI
normal-bracket16bracket-normal
Body MASS Index, i.e., Body MASS Index, i.e., eqn
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.

Source

form the authors of the reference, with permission by the original data collecting agency.

References

Serigne N. L^o 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)))

[Package robustbase version 0.4-3 Index]