Measurements were made on the size of mouths of 27 children at four ages: 8, 10, 12, and 14. The measurement is the distance from the "center of the pituitary to the pteryomaxillary fissure" in millimeters. These data can be found in Potthoff and Roy [1964]. There are 11 girls (Sex=1) and 16 boys (Sex=0).
mouthsA data frame with 27 observations on the following 5 variables.
Measurement on child's month at age eight.
Measurement on child's month at age ten.
Measurement on child's month at age twelve.
Measurement on child's month at age fourteen.
Sex Coding: Girl=1 and Boys=0
Richard F. Potthoff and S. N. Roy. A generalized multivariate analysis of variance model useful especially for growth curve problems. Biometrika, 51:313-326, 1964.