DAAG (version 1.22)

progression: Progression of Record times for track races, 1912 - 2008

Description

Progression in world record times for track and road races.

Usage

data(progression)

Format

A data frame with 227 observations on the following 4 columns.

year

Year that time was first recorded

Distance

distance in kilometers

Time

time in minutes

race

character; descriptor for event (100m, mile, ...)

Details

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.

Examples

# NOT RUN {
data(progression)
plot(log(Time) ~ log(Distance), data=progression)
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")
# }