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.
The genome sequence of the Spanish Fritillary, Euphydryas desfontainii (Godart, 1819) (Lepidoptera: Nymphalidae)
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Recurrent sex chromosome turnover mediated by distinct ARR17 and PISTILLATA duplications in willows
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Identification of sex chromosome, sex-biased gene expression and dosage compensation in the pygmy mole cricket Xya riparia (Orthoptera: Tridactyloidea)
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