red.cell.folate {ISwR}

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 (\mu\mathrm{g}/\mathrm{l}).

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)