ergoStool: Ergometrics experiment with stool types

In MEMSS: Data Sets from Mixed-Effects Models in S

Description

The ergoStool data frame has 36 rows and 3 columns.

Format

This data frame contains the following columns:

effort

a numeric vector giving the effort (Borg scale) required to arise from a stool

Type

a factor with levels T1, T2, T3, and T4 giving the stool type

Subject

a factor with levels A to I

Details

Devore (2000) cites data from an article in Ergometrics (1993, pp. 519-535) on “The Effects of a Pneumatic Stool and a One-Legged Stool on Lower Limb Joint Load and Muscular Activity.”

Source

Pinheiro, J. C. and Bates, D. M. (2000), Mixed-Effects Models in S and S-PLUS, Springer, New York. (Appendix A.9)

Devore, J. L. (2000), Probability and Statistics for Engineering and the Sciences (5th ed), Duxbury, Boston, MA.

Examples

options(show.signif.stars = FALSE)
str(ergoStool)
print(m1 <- lmer(effort ~ Type + (1|Subject), ergoStool), corr = FALSE)
anova(m1)

MEMSS documentation built on May 2, 2019, 1:05 p.m.