Smoking: Smoking Styles

In ipred: Improved Predictors

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.

ipred documentation built on March 31, 2023, 11:08 p.m.