Description Usage Format Source Examples
Skin color sockeye and kokanee morphs of the Pacific salmon (Oncorhynchus nerka) raised in a low carotenoid environment.
1 |
A data frame with 35 observations on the following 2 variables.
species
a factor with levels kokanee
and sockeye
skin.color
a numeric vector
Craig, J.K. and C. Foote. 2001. Countergradient variation and secondary sexual color: phenotypic convergence promotes genetic divergence in carotenoid use between sympatric anadromous and nonanadromous morphs of sockeye salmon (Oncorhynchus nerka). Evolution 55: 380-391.
1 2 3 4 | data(SalmonColor)
SalmonColor
histogram(~skin.color | species, SalmonColor)
bwplot(skin.color ~ species, SalmonColor)
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