ex0918 {Sleuth2} | R Documentation |
Researchers studied the development of a fly (Drosophila subobscura) that had been accidentally introduced from the Old World into North America around 1980.
ex0918
A data frame with 21 observations on the following 8 variables.
Continent
"NA"
and
"EU"
Latitude
Females
SE.F
Males
SE.M
Ratio
SE.R
Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.
Huey, R.B., Gilchrist, G.W., Carlson, M.L., Berrigan, D. and Serra, L. (2000). Rapid Evolution of a Geographic Cline in Size in an Introduced Fly, Science 287(5451): 308–309.
str(ex0918)