Description Usage Format Source Examples
Air pollution measurements at three locations.
1 |
A data frame with 6 observations on the following 2 variables.
pollution
a numeric vector
location
a factor with levels Hill Suburb
Plains Suburb
Urban City
David J. Saville and Graham R. Wood, Statistical methods: A geometric primer, Springer, 1996.
1 2 | data(airpollution)
summary(lm(pollution ~ location, airpollution))
|
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