dental: Dental Growth Study
In nparLD: Nonparametric Analysis of Longitudinal Data in Factorial Experiments

dental

R Documentation

Dental Growth Study

Description

Measurements of distances between the center of the pituitary and the pterygomaxillary fissure in boys. The data illustrate a one-factor longitudinal design.

Usage

dental

Format

A data frame with variables:

resp: Distance measurement in millimeters.
time: Age at measurement.
subject: Subject identifier.

Examples

data(dental)

dental$time <- factor(dental$time)

## Not run: 
fit <- nparLD(resp ~ time,
              data = dental,
              subject = "subject",
              hypothesis = "H0F")
fit

## End(Not run)

## Not run: 
fit <- nparLD(resp ~ time,
              data = dental,
              subject = "subject",
              hypothesis = "H0p",
              contrast = list("time", "Tukey"))
fit
plot(fit)
plot(fit$MCTP)

## End(Not run)

nparLD documentation built on Aug. 28, 2026, 5:06 p.m.