Today

  • Lab 2 (cont’d, merge branches, tag, hw submission).

  • Reproducible research and tools: Git, Quarto, Docker.

  • Lab 3 (Docker).

Zoom etiquettes

  • Full name, plus other necessary information (affiliation, pronouns).

  • Mute yourself when not speaking.

  • Turn on your camera if possible.

Q&A

  • PhysioNet credential: supply my name (Hua Zhou) and my ucla email as mentor.

  • Why the need for passphrase for SSH key? What’s the difference between using the SSH key passphrase versus using server password for each SSH connection?

  • A bug of RStudio Desktop on MacOS (thanks to Sebastian): the Homebrew installed programs not in the PATH of the shell launched by rendering.

  • Trouble building pdf_book of the R4 book? gitbook suffices for HW1.