World records in the 100 & 200 m butterfly swim
Usage
data(Butterfly)
Format
A data.frame object with one row for each world record and variables
time
: the record time in secondsswimmer
the name of the swimmerdate
a Date object containing the date the record was madeplace
string descripting the locationsex
: coded asF
andM
lengths
: the total distance was divided into lengths of either 25 or 50 meters.lengths
gives the number of such lengths in the total distance.dist
: the total distance (in meters) of the race