Arthriti: Time of relief for three treatments of arthritis

Description Usage Format References Examples

Description

Data for Exercise 10.58

Usage

1

Format

A data frame/tibblewith 51 observations on two variables

time

time (measured in days) until an arthritis sufferer experienced relief

treatment

a factor with levels A, B, and C

References

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

Examples

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boxplot(time ~ treatment, data = Arthriti, 
col = c("lightblue", "lightgreen", "yellow"),
ylab = "days")
anova(lm(time ~ treatment, data = Arthriti))

BSDA documentation built on July 30, 2017, 5:01 p.m.