Description
The Smoking
data frame has 55 rows and 9 columns.
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.
Source
Hand and Taylor (1987), Study F Smoking Styles.Details
The data describes different smoking habits of probands.
References
D.J. Hand and C.C. Taylor (1987),
Multivariate analysis of variance and repeated measures. London: Chapman \&
Hall, pp. 167--181.