Today

  • Getting started with HW2.

  • Date and time.

  • Data transformation using dplyr (cont’d).

Announcements

  • HW2 is posted and due Feb 7 @ 11:59pm.

  • HW1 graded. Check out the grading branch. Feedback is given in the grade_hw1.md file. Some common issues:

    • Git usage: clear and informative commit messages.
    • Code style: 80 character rule, surround operater by spaces, indenting by 2 spaces.
    • Cheating is not tolerated.