Subset data
It is easy to create a subset of a data.frame with the subset command in R.
Symbols lines and colours
Here is some code to quickly access what the colour, line and shape numbers produce.
Lines
Often a model will show a difference between the two levels of a factor. R makes it easy to illustrate the difference graphically.
Evolution of Z chromosome in Ostrinia furnacalis: dosage compensation, sex-biased gene expression and evolutionary rate of Z-linked genes
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Lizards on a sky archipelago: Genomic approaches to the evolution of the mountain genus Iberolacerta
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Persistence of an unusual triple sex chromosome system through allopolyploidization in African clawed frogs (Xenopus, subgenus Silurana)
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