Last data update: 2014.03.03
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R: Leukoplakia
leukoplakia | R Documentation |
Leukoplakia
Description
The leukoplakia data is about occurence of oral leukoplakia with covariates smoking and alcohol consumption.
Usage
data(leukoplacia)
Format
A data frame with 16 observations on the following 4 variables. Considering the weighting variable "Freq", there are 212 cases.
Leukoplakia Has the person oral leukoplakia? yes = 1, no = 0
Alcohol How much alcohol did the person drink on average? no = 1, less then 40g = 2, less then 80g = 3, more then 80g = 4
Smoker Smoker? yes = 1, no = 0
Freq Frequency of observation
Source
Fahrmeir, Hamerle and Tutz (1996),
Multivariate statistische Verfahren,
Berlin: de Gruyter
Examples
## Not run:
##look for:
vignette("loglinear-leukoplakia")
## End(Not run)
Results
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