Reverse x-axis in units of time

[Bjørn Tore Kopperud]

Hello,

Sorry if this has been asked before, I could not manage to find a solution through the vignettes or searches. Say I have a tree in R,

tree <- rcoal(20)

ggtree(tree) +

  geom_tree() +

  geom_tiplab(size=rel(3)) +

  theme_tree2()

With this plot, the x-axis starts with zero at the root of the tree. I want to reverse the x-axis such that the zero is at the time of the extant species, and positive values of time at the internal branches. I do NOT want to reverse the plot, only the values of the x-axis.

In other words, this

scale_x_reverse()

is not what I want.

Thanks for help,

Bjørn

[Yu, Guangchuang]

pls refer to https://github.com/GuangchuangYu/ggtree/issues/87.

​

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G Yu, DK Smith, H Zhu, Y Guan, TTY Lam*. 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
 
Homepage: https://guangchuangyu.github.io/ggtree
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Guangchuang Yu, PhD Candidate
State Key Laboratory of Emerging Infectious Diseases
School of Public Health
The University of Hong Kong

Hong Kong SAR, China

www: https://guangchuangyu.github.io

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