### Install ggtreeExtra Package

Source: https://bioconductor.org/packages/ggtreeExtra

Install the ggtreeExtra package using BiocManager. Ensure R version 4.6 or later is used.

```r
if (!require("BiocManager", quietly = TRUE))
    install.packages("BiocManager")

BiocManager::install("ggtreeExtra")
```

--------------------------------

### View ggtreeExtra Vignettes

Source: https://bioconductor.org/packages/ggtreeExtra

Open the vignettes for the installed ggtreeExtra package in R to explore its functionality and usage.

```r
browseVignettes("ggtreeExtra")
```

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