首先是官方的教程


http://www.cookbook-r.com/Graphs/Colors_(ggplot2)/


然后是一个非官方的


http://www.sthda.com/english/wiki/ggplot2-colors-how-to-change-colors-automatically-and-manually


关于线条的颜色


http://4byte.cn/question/73842/how-to-select-colors-from-a-predefined-color-set-in-ggplot2.html



处理地理空间数据 ，颜色设置


http://mazamascience.com/WorkingWithData/?p=1494


ggplot2 教程


https://github.com/echen/ggplot2-tutorial


一个富集或网络分析的工具


http://www.bioconductor.org/packages/release/bioc/html/clusterProfiler.html


绘制进化树的工具


https://cran.r-project.org/web/packages/circlize/vignettes/circular_phylogenetic_tree.pdf


https://cran.r-project.org/web/packages/circlize/vignettes/circlize.pdf