Orthodont {MLGdata}

Growth curve data on an orthdontic measurement

Description

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

Usage

Orthodont

Format

Data frame with 27 observations in the following 5 variables

genere

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

dist8a

measurement of the orthodontic distance (in mm) at age 8

dist10a

measurement of the orthodontic distance (in mm) at age 10

dist12a

measurement of the orthodontic distance (in mm) at age 12

dist14a

measurement of the orthodontic distance (in mm) at age 14

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

Orthodont1 for the same data in an different format