R: Energy intake

intake {ISwR} | R Documentation

## Energy intake

### Description

The `intake` data frame has 11 rows and 2 columns. It contains paired values of energy intake for 11 women.

### Usage

    intake

### Format

This data frame contains the following columns:

`pre`

  a numeric vector, premenstrual intake (kJ).

`post`

  a numeric vector, postmenstrual intake (kJ).

### Source

D.G. Altman (1991), Practical Statistics for Medical Research, Table 9.3, Chapman & Hall.

### Examples

    plot(intake$pre, intake$post)

[Package ISwR version 2.0-7 Index]