Hey!!! Help!

[bensoltoff]

This doesn't work. Why not?

library(tidyverse) ── Attaching packages ─────────────────────────────────────────────────────────── tidyverse 1.3.1 ── ✔ ggplot2 3.3.6 ✔ purrr 0.3.4 ✔ tibble 3.1.7 ✔ dplyr 1.0.9 ✔ tidyr 1.2.0 ✔ stringr 1.4.0 ✔ readr 2.1.2 ✔ forcats 0.5.1 ── Conflicts ────────────────────────────────────────────────────────────── tidyverse_conflicts() ── ✖ dplyr::filter() masks stats::filter() ✖ dplyr::lag() masks stats::lag() count(diamonds, colour) Error in group_by(): ! Must group by variables found in .data. ✖ Column colour is not found. Run rlang::last_error() to see where the error occurred.

[bensoltoff]

I'm trying to calculate the number of diamonds by color but my count() function is not working. Does anyone know why?

> library(tidyverse)
── Attaching packages ─────────────────────────────────────────────────────────── tidyverse 1.3.1 ──
✔ ggplot2 3.3.6     ✔ purrr   0.3.4
✔ tibble  3.1.7     ✔ dplyr   1.0.9
✔ tidyr   1.2.0     ✔ stringr 1.4.0
✔ readr   2.1.2     ✔ forcats 0.5.1
── Conflicts ────────────────────────────────────────────────────────────── tidyverse_conflicts() ──
✖ dplyr::filter() masks stats::filter()
✖ dplyr::lag()    masks stats::lag()
> count(diamonds, colour)
Error in `group_by()`:
! 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 in `group_by()`:
#> ! Must group by variables found in `.data`.
#> ✖ Column `colour` is not found.

^{Created on 2022-07-05 by the reprex package (v2.0.1)}

[bensoltoff]

mean(rnorm(100))
#> [1] 0.01962445

^{Created on 2022-07-05 by the reprex package (v2.0.1)}

Session info

``` r sessioninfo::session_info() #> ─ Session info ─────────────────────────────────────────────────────────────── #> setting value #> version R version 4.2.0 (2022-04-22) #> os Red Hat Enterprise Linux 8.6 (Ootpa) #> system x86_64, linux-gnu #> ui X11 #> language (EN) #> collate en_US.UTF-8 #> ctype en_US.UTF-8 #> tz America/Chicago #> date 2022-07-05 #> pandoc 2.17.1.1 @ /usr/lib/rstudio-server/bin/quarto/bin/ (via rmarkdown) #> #> ─ Packages ─────────────────────────────────────────────────────────────────── #> package * version date (UTC) lib source #> cli 3.3.0 2022-04-25 [2] CRAN (R 4.2.0) #> crayon 1.5.1 2022-03-26 [2] CRAN (R 4.2.0) #> digest 0.6.29 2021-12-01 [2] CRAN (R 4.2.0) #> ellipsis 0.3.2 2021-04-29 [2] CRAN (R 4.2.0) #> evaluate 0.15 2022-02-18 [2] CRAN (R 4.2.0) #> fansi 1.0.3 2022-03-24 [2] CRAN (R 4.2.0) #> fastmap 1.1.0 2021-01-25 [2] CRAN (R 4.2.0) #> fs 1.5.2 2021-12-08 [1] CRAN (R 4.2.0) #> glue 1.6.2 2022-02-24 [2] CRAN (R 4.2.0) #> highr 0.9 2021-04-16 [2] CRAN (R 4.2.0) #> htmltools 0.5.2 2021-08-25 [2] CRAN (R 4.2.0) #> knitr 1.39 2022-04-26 [1] CRAN (R 4.2.0) #> lifecycle 1.0.1 2021-09-24 [2] CRAN (R 4.2.0) #> magrittr 2.0.3 2022-03-30 [2] CRAN (R 4.2.0) #> pillar 1.7.0 2022-02-01 [2] CRAN (R 4.2.0) #> pkgconfig 2.0.3 2019-09-22 [2] CRAN (R 4.2.0) #> purrr 0.3.4 2020-04-17 [2] CRAN (R 4.2.0) #> R.cache 0.15.0 2021-04-30 [2] CRAN (R 4.2.0) #> R.methodsS3 1.8.1 2020-08-26 [2] CRAN (R 4.2.0) #> R.oo 1.24.0 2020-08-26 [2] CRAN (R 4.2.0) #> R.utils 2.11.0 2021-09-26 [2] CRAN (R 4.2.0) #> reprex 2.0.1 2021-08-05 [1] CRAN (R 4.2.0) #> rlang 1.0.2 2022-03-04 [2] CRAN (R 4.2.0) #> rmarkdown 2.14 2022-04-25 [1] CRAN (R 4.2.0) #> rstudioapi 0.13 2020-11-12 [2] CRAN (R 4.2.0) #> sessioninfo 1.2.2 2021-12-06 [2] CRAN (R 4.2.0) #> stringi 1.7.6 2021-11-29 [1] CRAN (R 4.2.0) #> stringr 1.4.0 2019-02-10 [1] CRAN (R 4.2.0) #> styler 1.7.0 2022-03-13 [2] CRAN (R 4.2.0) #> tibble 3.1.7 2022-05-03 [2] CRAN (R 4.2.0) #> utf8 1.2.2 2021-07-24 [2] CRAN (R 4.2.0) #> vctrs 0.4.1 2022-04-13 [2] CRAN (R 4.2.0) #> withr 2.5.0 2022-03-03 [2] CRAN (R 4.2.0) #> xfun 0.31 2022-05-10 [2] CRAN (R 4.2.0) #> yaml 2.3.5 2022-02-21 [2] CRAN (R 4.2.0) #> #> [1] /home/soltoffbc/R/x86_64-pc-linux-gnu-library/4.2 #> [2] /opt/R/4.2.0/lib/R/library #> #> ────────────────────────────────────────────────────────────────────────────── ```