No such keg: /opt/homebrew/Cellar/r

Found the following significant warnings:

Data with usage in documentation object 'Bladder_data' but not in code:

Output for data("bladder", package = "netZooR"):

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

pkg-config 0.29.2_3 is already installed and up-to-date. To reinstall 0.29.2_3, run: brew reinstall pkg-config