R Under development (unstable) (2023-07-12 r84683 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(tidytree)
If you use the ggtree package suite in published research, please cite
the appropriate paper(s):

G Yu. Data Integration, Manipulation and Visualization of Phylogenetic
Trees (1st ed.). Chapman and Hall/CRC. 2022. ISBN: 9781032233574

Guangchuang Yu, Tommy Tsan-Yuk Lam, Huachen Zhu, Yi Guan. Two methods
for mapping and visualizing associated data on phylogeny using ggtree.
Molecular Biology and Evolution. 2018, 35(12):3041-3043.
doi:10.1093/molbev/msy194

Attaching package: 'tidytree'

The following object is masked from 'package:stats':

    filter

> 
> test_check("tidytree")
[ FAIL 0 | WARN 2 | SKIP 0 | PASS 67 ]

[ FAIL 0 | WARN 2 | SKIP 0 | PASS 67 ]
> 
> proc.time()
   user  system elapsed 
   1.89    0.25    2.14