R Dataset / Package DAAG / cuckoohosts
Comparison of cuckoo eggs with host eggs
These data compare mean length, mean breadth, and egg color, between cuckoos and their hosts.
A data frame with 10 observations on the following 12 variables.
mean length of cuckoo eggs in given host's nest
standard deviation of cuckoo egg lengths
mean breadth of cuckoo eggs in given host's nest
standard deviation of cuckoo egg breadths
number of cuckoo eggs
length of host eggs
standard deviation of host egg lengths
breadth of host eggs
standard deviation of host egg breadths
number of host eggs
number of eggs where color matched
number where color did not match
Although from the same study that generated data in the data frame
cuckoos, the data do not match precisely. The cuckoo egg
lengths and breadths are from the tables on page 168, the host egg
lengths and breadths from Appendix IV on page 176, and the color
match counts from the table on page 171.
Latter, O.H., 1902. The egg of cuculus canorus. an inquiry into the dimensions of the cuckoo's egg and the relation of the variations to the size of the eggs of the foster-parent, with notes on coloration, &c. Biometrika, 1:164–176.
cuckoohosts str(cuckoohosts) plot(cuckoohosts) with(cuckoohosts, plot(c(clength,hlength),c(cbreadth,hbreadth),col=rep(1:2,c(6,6))))
Dataset imported from https://www.r-project.org.
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