mouths {msos}

Mouth Sizes

Description

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).

Usage

mouths

Format

A data frame with 27 observations on the following 5 variables.

Age8

Measurement on child's month at age eight.

Age10

Measurement on child's month at age ten.

Age12

Measurement on child's month at age twelve.

Age14

Measurement on child's month at age fourteen.

Sex

Sex Coding: Girl=1 and Boys=0

Source

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.