Error trying to get frequency count of diamonds by color

[bensoltoff]

Why does this not work for me?

library(tidyverse) ── Attaching packages ──────────────────────────────────────────────────────── tidyverse 1.3.0 ── ✓ ggplot2 3.3.3 ✓ purrr 0.3.4 ✓ tibble 3.1.2 ✓ dplyr 1.0.7 ✓ tidyr 1.1.3 ✓ stringr 1.4.0 ✓ readr 1.4.0 ✓ forcats 0.5.1 ── Conflicts ─────────────────────────────────────────────────────────── tidyverse_conflicts() ── x dplyr::filter() masks stats::filter() x dplyr::lag() masks stats::lag() count(diamonds, colour) Error: Must group by variables found in .data.

• Column colour is not found. Run rlang::last_error() to see where the error occurred.

[bensoltoff]

> library(tidyverse)
── Attaching packages ──────────────────────────────────────────────────────── tidyverse 1.3.0 ──
✓ ggplot2 3.3.3     ✓ purrr   0.3.4
✓ tibble  3.1.2     ✓ dplyr   1.0.7
✓ tidyr   1.1.3     ✓ stringr 1.4.0
✓ readr   1.4.0     ✓ forcats 0.5.1
── Conflicts ─────────────────────────────────────────────────────────── tidyverse_conflicts() ──
x dplyr::filter() masks stats::filter()
x dplyr::lag()    masks stats::lag()
> count(diamonds, colour)
Error: Must group by variables found in `.data`.
* Column `colour` is not found.
Run `rlang::last_error()` to see where the error occurred.

[bensoltoff]

library(tidyverse)
count(diamonds, colour)
#> Error: Must group by variables found in `.data`.
#> * Column `colour` is not found.

^{Created on 2021-07-13 by the reprex package (v2.0.0)}