earinf | R Documentation |
The number of ear infections in swimmers
data(earinf)
A data frame with 287 observations on the following 5 variables.
Swim
how often the swimmer swims in the ocean;
a factor with levels Freq
(frequently) and Occas
(occasionally)
Loc
the reported usual swimming location;
a factor with levels Beach
and NonBeach
Age
the age group;
a factor with levels 15-19
, 20-24
and 25-29
Sex
the sex;
a factor with levels Female
and Male
NumInfec
the number of self-diagnosed ear infections; a numeric vector
Infec
whether there are self-diagnosed ear infections;
a numeric vector where 0
means no self-reported infection,
and 1
means at least one self-reported ear infection
The data give the number of self-reported ear infections in the 1990 Pilot Surf/Health Study of nsw Water Board.
This data file was downloaded from OzDASL (http://www.statsci.org/data/oz/earinf.html) where it was prepared by Dr Gordon Smyth from Hand et al (1994) Dataset 328.
D. J. Hand, F. Daly, A. D. Lunn, K. J. McConway, and E. Ostrowski (1994) A Handbook of Small Data Sets, London: Chapman and Hall. Dataset 328.
data(earinf) summary(earinf)
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