Smoking {ipred}R Documentation

Smoking Styles

Description

The Smoking data frame has 55 rows and 9 columns.

Usage

data(Smoking)

Format

This data frame contains the following columns:

NR
numeric, patient number.
Sex
factor, sex of patient.
Age
factor, age group of patient, grouping consisting of those in their twenties, those in their thirties and so on.
TarY
numeric, tar yields of the cigarettes.
NicY
numeric, nicotine yields of the cigarettes.
COY
numeric, carbon monoxide (CO) yield of the cigarettes.
TVPS
numeric, total volume puffed smoke.
BPNL
numeric, blood plasma nicotine level.
COHB
numeric, carboxyhaemoglobin level, i.e. amount of CO absorbed by the blood stream.

Details

The data describes different smoking habits of probands.

Source

Hand and Taylor (1987), Study F Smoking Styles.

References

D.J. Hand and C.C. Taylor (1987), Multivariate analysis of variance and repeated measures. London: Chapman & Hall, pp. 167–181.


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