openintro (version 1.7.1)

migraine: Migraines and acupuncture

Description

Experiment involving acupuncture and sham acupunture (as placebo) in the treatment of migraines.

Usage

data("migraine")

Arguments

Format

A data frame with 89 observations on the following 2 variables.

group

a factor with levels control treatment

pain_free

a factor with levels no yes

Examples

Run this code
# NOT RUN {
data(migraine)
## maybe str(migraine) ; plot(migraine) ...
# }

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