R: Heart rates after enalaprilat

heart.rate {ISwR} | R Documentation

## Heart rates after enalaprilat

### Description

The `heart.rate` data frame has 36 rows and 3 columns. It contains data for nine patients with congestive heart failure before and shortly after administration of enalaprilat, in a balanced two-way layout.

### Usage

    heart.rate

### Format

This data frame contains the following columns:

`hr`

  a numeric vector, heart rate in beats per minute.

`subj`

  a factor with levels `1` to `9`.

`time`

  a factor with levels `0` (before), `30`, `60`, and `120` (minutes after administration).

### Source

D.G. Altman (1991), Practical Statistics for Medical Research, Table 12.2, Chapman & Hall.

### Examples

    evalq(interaction.plot(time,subj,hr), heart.rate)

[Package ISwR version 2.0-7 Index]