Orthodont1 {MLGdata}

Growth curve data on an orthdontic measurement

Description

Study of the change in an orthdontic measurement over time for 27 young subjects.

Usage

Orthodont1

Format

Data frame with 108 observations in the following 4 variables

caso

subject index

genere

gender of the subject, factor with 2 levels (F, M)

eta

age of the subject

y

measurement of the orthodontic distance (in mm)

Source

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

Package nlme

References

Potthoff, R.F. and Roy, S.N. (1964). A generalized multivariate analysis of variance model useful especially for growth curve problems. Biometrika, 51, 313-326.

See Also

Orthodont for the same data in a different version