R: Red cell folate data

red.cell.folate {ISwR} | R Documentation

## Red cell folate data

### Description

The `folate` data frame has 22 rows and 2 columns. It contains data on red cell folate levels in patients receiving three different methods of ventilation during anesthesia.

### Usage

    red.cell.folate

### Format

This data frame contains the following columns:

`folate`

  a numeric vector, folate concentration (microgram per liter).

`ventilation`

  a factor with levels `N2O+O2,24h`: 50% nitrous oxide and 50% oxygen, continuously for 24 hours; `N2O+O2,op`: 50% nitrous oxide and 50% oxygen, only during operation; `O2,24h`: no nitrous oxide but 35%–50% oxygen for 24 hours.

### Source

D.G. Altman (1991), Practical Statistics for Medical Research, Table 9.10, Chapman & Hall.

### Examples

    plot(folate~ventilation,data=red.cell.folate)

[Package ISwR version 2.0-7 Index]