Bones {BSDA} | R Documentation |
Bone density measurements of 35 physically active and 35 non-active women
Description
Data for Example 7.22
Usage
Bones
Format
A data frame/tibble with 70 observations on two variables
- density
bone density measurements
- group
a factor with levels
active
andnonactive
References
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
Examples
t.test(density ~ group, data = Bones, alternative = "greater")
t.test(rank(density) ~ group, data = Bones, alternative = "greater")
wilcox.test(density ~ group, data = Bones, alternative = "greater")
[Package BSDA version 1.2.2 Index]