Mandible {SRMData}R Documentation

Mandible lengths

Description

The mandible length and gestational age for 167 foetuses from the 12th week of gestation onwards

Usage

data(Mandible)

Format

A data frame with 167 rows (each foetus) and 2 columns:

Age

The foetus age, in weeks

Length

The foetus length, in mm

Source

Patrick Royston and Douglas G. Altman (1994). Regression using fractional polynomials of continuous covariates: Parsimonious parametric modelling. Applied Statistics, 43(3), 429–467.


[Package SRMData version 1.0.1 Index]