EnvironmentalA {REGENT}

Example file for single level environmental factors

Description

Example data for Crohns disease in correct input format. Also as text file "EnvironmentalA.txt" in the data folder for this package. data from Calkins, BM (1989).

Usage

data("REGENT")

Format

data frame

References

from Calkins, BM (1989) A meta-analysis of the role of smoking in inflammatory bowel disease