clean up smoothness #12

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5 errors and 3 warnings

Running examples in ‘ferrn-Ex.R’ failed

there is no package called ‘fields’

R CMD check found ERRORs

Process completed with exit code 1.

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

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

HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK is set: not checking for outdated dependents or dependents with broken linkage!