nlme (version 3.1-130)

ergoStool: Ergometrics experiment with stool types

Description

The ergoStool data frame has 36 rows and 3 columns.

Format

This data frame contains the following columns:

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.

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.''

Examples

fm1 <-
   lme(effort ~ Type, data = ergoStool, random = ~ 1 | Subject)
anova( fm1 )