Researchers studied the development of a fly (Drosophila subobscura)
that had been accidentally introduced from the Old World into North
America around 1980.
Usage
ex0918
Arguments
Format
A data frame with 21 observations on the following 8 variables.
Continent
a factor with levels "NA" and
"EU"
Latitude
latitude (degrees)
Females
average wing size (10\(^3\times\)log
mm) of female flies on log scale
SE_Females
standard error of wing size (10\(^3\times\)log mm) of female flies on log scale
Males
average wing size (10\(^3\times\)log
mm) of male flies on log scale
SE_Males
standard error of wing size (10\(^3\times\)log mm) of male flies on log scale
Ratio
average basal length to wing size ratios of
female flies
SE_Ratio
standard error of average basal length to wing
size ratio of female flies
References
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, Science287(5451): 308--309.