juul2 {ISwR}R Documentation

Juul's IGF data, extended version

Description

The juul2 data frame has 1339 rows and 8 columns. Extended version of |juul|.

Format

This data frame contains the following columns:

age
a numeric vector (years).
height
a numeric vector (cm).
menarche
a numeric vector. Has menarche occurred (code 1: no, 2: yes)?
sex
a numeric vector (1: boy, 2: girl).
igf1
a numeric vector. Insulin-like growth factor ($μ$g/l).
tanner
a numeric vector. Codes 1–5: Stages of puberty a.m. Tanner.
testvol
a numeric vector. Testicular volume (ml).
weight
a numeric vector. Weight (kg).

Source

Original data.

Examples

data(juul2)
plot(igf1~age, data=juul2)

[Package ISwR version 1.0-5 Index]