Sleuth3 (version 1.0-3)

ex2113: Vitamin C and Colds

Description

These data are from a randomized experiment to asses the effect of large doses of vitamin C on the incidence of colds.

Usage

ex2113

Format

A data frame with 4 observations on the following 4 variables.

Dose

the daily dose of vitamin C, in g

Number

the number of subjects given that dose of vitamin C

WithoutIllness

the number of subjects who did not become ill

ProportionWithout

the proportion of subjects who did not become ill

References

Anderson, T.W., Suranyi,G., and Beaton, G.H. (1974) The Effect on Winter Illness of Large Doses of Vitamin C Canadian Medical Association Journal 111 31--36.

Examples

# NOT RUN {
str(ex2113)
# }