Walking Stick Femur Length
Two measures of femur length femur.length
for each of 25
walking sticks (Timema cristinae). Note that specimen
is not coded as a factor.
A data frame with 50 observations on the following 2 variables.
a integer denoting specimen number.
a numeric vector of femur length
Nosil, P. and B.J. Crespi. 2006. Experimental evidence that predation promotes divergence in adaptive radiation. Proceedings of the National Academy of Sciences (USA) 103: 9090-9095.
demo(sec15.6)
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