kfm: Breast-feeding data

In ISwR: Introductory Statistics with R

Breast-feeding data

Description

The kfm data frame has 50 rows and 7 columns. It was collected by Kim Fleischer Michaelsen and contains data for 50 infants of age approximately 2 months. They were weighed immediately before and after each breast feeding. and the measured intake of breast milk was registered along with various other data.

Usage

kfm

Format

This data frame contains the following columns:

no

a numeric vector, identification number.

dl.milk

a numeric vector, breast-milk intake (dl/24h).

sex

a factor with levels boy and girl.

weight

a numeric vector, weight of child (kg).

ml.suppl

a numeric vector, supplementary milk substitute (ml/24h).

mat.weight

a numeric vector, weight of mother (kg).

mat.height

a numeric vector, height of mother (cm).

Note

The amount of supplementary milk substitute refers to a period before the data collection.

Source

Original data.

Examples

plot(dl.milk~mat.height,pch=c(1,2)[sex],data=kfm)

ISwR documentation built on April 3, 2025, 8:47 p.m.