README.md
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 <!-- README.md is generated from README.Rmd. Please edit that file -->
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 # ggtree: an R package for visualization of phylogenetic trees with their annotation data
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 <a href="https://yulab-smu.github.io/treedata-book/"><img src="https://raw.githubusercontent.com/Bioconductor/BiocStickers/master/ggtree/ggtree.png" height="200" align="right" /></a>
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 [![platform](http://www.bioconductor.org/shields/availability/devel/ggtree.svg)](https://www.bioconductor.org/packages/devel/bioc/html/ggtree.html#archives)
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 [![](https://img.shields.io/badge/release%20version-2.0.0-green.svg)](https://www.bioconductor.org/packages/ggtree)
 [![codecov](https://codecov.io/gh/GuangchuangYu/ggtree/branch/master/graph/badge.svg)](https://codecov.io/gh/GuangchuangYu/ggtree)
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 [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://awesome-r.com/#awesome-r-graphic-displays)
 
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 ` r badge_devel("guangchuangyu/ggtree", "green")`
 ` r badge_bioc_download("ggtree", "total", "blue")`
 ` r badge_bioc_download("ggtree", "month", "blue")`
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 ‘ggtree’ extends the ‘ggplot2’ plotting system which implemented the
 grammar of graphics. ‘ggtree’ is designed for visualization and
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 annotation of phylogenetic trees and other tree-like structures with
 their annotation data.
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 For details, please visit <https://yulab-smu.github.io/treedata-book/>.
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 ## :writing\_hand: Authors
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 Guangchuang YU
 
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 School of Basic Medical Sciences, Southern Medical University
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 <https://guangchuangyu.github.io>
 
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 [![Twitter](https://img.shields.io/twitter/url/http/shields.io.svg?style=social&logo=twitter)](https://twitter.com/intent/tweet?hashtags=ggtree&url=http://onlinelibrary.wiley.com/doi/10.1111/2041-210X.12628/abstract&screen_name=guangchuangyu)
 [![saythanks](https://img.shields.io/badge/say-thanks-ff69b4.svg)](https://saythanks.io/to/GuangchuangYu)
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 [![](https://img.shields.io/badge/follow%20me%20on-WeChat-green.svg)](https://guangchuangyu.github.io/blog_images/biobabble.jpg)
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 If you use [ggtree](http://bioconductor.org/packages/ggtree) in
 published research, please cite the most appropriate paper(s) from this
 list:
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 1.  **G Yu**<sup>\*</sup>, TTY Lam, H Zhu, Y Guan<sup>\*</sup>. Two
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     methods for mapping and visualizing associated data on phylogeny
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     using ggtree. ***Molecular Biology and Evolution***, 2018,
     35(2):3041-3043. doi:
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     [10.1093/molbev/msy194](https://doi.org/10.1093/molbev/msy194).
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       - [Source code to produce Supplementary
         Material](https://github.com/GuangchuangYu/plotting_tree_with_data)
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 2.  **G Yu**, DK Smith, H Zhu, Y Guan, TTY Lam<sup>\*</sup>. ggtree: an
     R package for visualization and annotation of phylogenetic trees
     with their covariates and other associated data. ***Methods in
     Ecology and Evolution***. 2017, 8(1):28-36. doi:
     [10.1111/2041-210X.12628](https://doi.org/10.1111/2041-210X.12628).
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 ## :sparkling\_heart: Contributing
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 We welcome any contributions\! By participating in this project you
 agree to abide by the terms outlined in the [Contributor Code of
 Conduct](CONDUCT.md).