Measurements for a sample of butterflies in Greenland
A data frame with 32 observations on the following 4 variables.
TempAverage temperature for preceding summer (Celsius)
WingAverage wing length (mm)
SexFemale or Male
Speciesall are Bc, Boloria chariclea
Scientists measured wing length of a species of butterfly, Boloria chariclea (Bc), in Greenland each year from 1996 through 2013. They also recorded summer temperatures.