best.times {UsingR} | R Documentation |
A dataset giving world records in track and field running events for various distances and different age groups.
data(best.times)
A data frame with 113 observations on the following 6 variables.
Age-graded race results allow competitors of different ages to compare their race performances. This data set allows one to see what the relationship is based on peak performances.
The data comes from http://www.personal.rdg.ac.uk/~snsgrubb/athletics/agegroups.html which includes a calculator to compare results.
data(best.times) attach(best.times) by.dist = split(best.times,as.factor(Dist)) lm(scale(Time) ~ age, by.dist[['400']]) dists = names(by.dist) lapply(dists, function(n) print(lm(scale(Time) ~ age, by.dist[[n]])))