progression {DAAGxtras} | R Documentation |
Progression in world record times for track and road races.
data(progression)
A data frame with 227 observations on the following 4 columns.
year
Distance
Time
race
Record times for men's track events, from 1912 onwards. The series starts with times that were recognized as record times in 1912, where available.
Links to sources for the data are at
http://en.wikipedia.org/wiki/Athletics_world_record
data(progression) plot(log(Time) ~ log(Distance), data=progression) library(lattice) xyplot(log(Time) ~ log(Distance), data=progression, type=c("p","r")) xyplot(log(Time) ~ log(Distance), data=progression, type=c("p","smooth")) res <- resid(lm(log(Time) ~ log(Distance), data=progression)) plot(res ~ log(Distance), data=progression, ylab="Residuals from regression line on log scales")