Arthriti {BSDA} | R Documentation |
Time of relief for three treatments of arthritis
Description
Data for Exercise 10.58
Usage
Arthriti
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
, andC
References
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
Examples
boxplot(time ~ treatment, data = Arthriti,
col = c("lightblue", "lightgreen", "yellow"),
ylab = "days")
anova(lm(time ~ treatment, data = Arthriti))
[Package BSDA version 1.2.2 Index]