1. Go to the RStudio Tips twitter account, https://twitter.com/rstudiotips and find one tip that looks interesting. Practice using it!

The current timeline of [@rstudiotips](https://twitter.com/rstudiotips) is displayed below.

2.What other common mistakes will RStudio diagnostics report? Read https://support.rstudio.com/hc/en-us/articles/205753617-Code-Diagnostics to find out.

You should read that page, but some other diagnostics for R code include the following.

  1. Check for missing, unmatched, partially matched, and too many arguments to functions.
  2. Warn if a variable is not defined.
  3. Warn if a variable is defined but not used.
  4. Check that the code style conforms to the tidyverse style guide.
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