heavy (version 0.38.196)

dental: An orthodontic measurement on several children over time

Description

The dental data set introduced by Potthoff and Roy (1964), where dental measurements were made on 11 girls and 16 boys at ages 8, 10, 12 and 14. The response variable was the distance, in millimeters, from the center of pituitary to the pterygomaxillary fissure.

Usage

data(dental)

Arguments

Format

data frame with 108 rows and 4 columns.