Description Usage Format Source References Examples
Two identical footballs, one air-filled and one helium-filled, were used outdoors on a windless day at The Ohio State University's athletic complex. Each football was kicked 39 times and the two footballs were alternated with each kick. The experimenter recorded the distance traveled by each ball.
1 |
A data frame with 39 observations on the following 3 variables.
Trial
trial number
Air
distance traveled by air-filled football (yards)
Helium
distance traveled by helium-filled football (yards)
These data are available from DASL, the data and story library (http://lib.stat.cmu.edu/DASL/).
Lafferty, M. B. (1993), "OSU scientists get a kick out of sports controversy", The Columbus Dispatch (November, 21, 1993), B7.
1 2 3 | data(heliumFootballs)
xyplot(Helium~Air, data=heliumFootballs)
bwplot(~(Helium-Air), data=heliumFootballs)
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learnr::run_tutorial("introduction", package = "ggformula")
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