Garrett Grolemund

compare second home information to housing crisis performance

1

choose a measure(s) of an area's performance during the housing crisis and compare it to the number of second homes in the area with linear regression. Is their a relationship...

Add navigation and authentication vignettes

4

Add an extended version of https://github.com/rstudio/webinars/blob/master/32-Web-Scraping/navigation-and-authentication.md as a vignette that explains navigation and authentication/form submission.

BC dates

8

Remember to self: consider BC dates and time (Before Christ/ Before Common Era) - Garrett

map_dfr() column binds vectors

7

`map_dfr()` does the same thing as `map_dfc()` when given a list of vectors: it _column binds_ the vectors into a data frame. ````r list_of_vecs % map_dfr(~.x) ## # A tibble:...

Which should extract periods from POSIX and Date objects. I see this working like so ``` "2001-02-03 04:05:06" %% years(2000) ## "1y 2m 3d 4H 5M 6S" "2001-02-03 04:05:06" %%...

Feature request: graph titles

6

I couldn't find a way to add a title to the plot (akin to `ggtitle` in `ggplot2`).

Add language for math operators

1

We should add a check for math operators that allows us to swap in more natural language for `grade_code()` feedback. For example the case below should notice that `+` appears...

Allow multiple correct answers for grade_code()

4

Can a teacher supply multiple equivalent solutions for grade_code() to consider correct?

I'd like to screen for particular failure modes in `grade_this_code()` to provide custom messages. For example, in the example below, I'd like to provide a custom message instead of code_feedback()...