Skip to main content

You are not logged in. Your edit will be placed in a queue until it is peer reviewed.

We welcome edits that make the post easier to understand and more valuable for readers. Because community members review edits, please try to make the post substantially better than how you found it, for example, by fixing grammar or adding additional resources and hyperlinks.

Required fields*

1
  • The real surprise here is that b exists as a vector outside the data frame. IMHO this itself is a great reason to prefer = to <-. Commented Nov 20 at 15:21