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.