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)