anorexia {smss}

Anorexia Study data

Description

Weights of Anorexic girls, before and after receiving one of three possible therapies. Thanks to Prof. Brian Everitt, Institute of Psychiatry, London, for supplying these data.

Format

data.frame with 72 observations of the following 4 variables,

subj

Subject ID

therapy

Therapy type. b = cognitive behavioural, f = family therapy, or c = control.

before

Weight before treatment

after

Weight after treatment

Source

http://www.stat.ufl.edu/~aa/social/data.html

Examples

data(anorexia)
summary(anorexia)