tests/testthat/_snaps/count-tally.md

In dplyr: A Grammar of Data Manipulation

name must be string

Code
  count(df, x, name = 1)
Condition
  Error in `tally()`:
  ! `name` must be a single string, not the number 1.

Code
  count(df, x, name = letters)
Condition
  Error in `tally()`:
  ! `name` must be a single string, not a character vector.

can only explicitly chain together multiple tallies

Code
  df <- data.frame(g = c(1, 1, 2, 2), n = 1:4)
  df %>% count(g, wt = n)
Output
    g n
  1 1 3
  2 2 7
Code
  df %>% count(g, wt = n) %>% count(wt = n)
Output
     n
  1 10
Code
  df %>% count(n)
Message
  Storing counts in `nn`, as `n` already present in input
  i Use `name = "new_name"` to pick a new name.
Output
    n nn
  1 1  1
  2 2  1
  3 3  1
  4 4  1

count() owns errors (#6139)

Code
  (expect_error(count(mtcars, new = 1 + "")))
Output
  <error/dplyr:::mutate_error>
  Error in `count()`:
  i In argument: `new = 1 + ""`.
  Caused by error in `1 + ""`:
  ! non-numeric argument to binary operator
Code
  (expect_error(count(mtcars, wt = 1 + "")))
Output
  <error/rlang_error>
  Error in `count()`:
  i In argument: `n = sum(1 + "", na.rm = TRUE)`.
  Caused by error in `1 + ""`:
  ! non-numeric argument to binary operator

tally() owns errors (#6139)

Code
  (expect_error(tally(mtcars, wt = 1 + "")))
Output
  <error/rlang_error>
  Error in `tally()`:
  i In argument: `n = sum(1 + "", na.rm = TRUE)`.
  Caused by error in `1 + ""`:
  ! non-numeric argument to binary operator

add_count() owns errors (#6139)

Code
  (expect_error(add_count(mtcars, new = 1 + "")))
Output
  <error/dplyr:::mutate_error>
  Error in `add_count()`:
  i In argument: `new = 1 + ""`.
  Caused by error in `1 + ""`:
  ! non-numeric argument to binary operator
Code
  (expect_error(add_count(mtcars, wt = 1 + "")))
Output
  <error/dplyr:::mutate_error>
  Error in `add_count()`:
  i In argument: `n = sum(1 + "", na.rm = TRUE)`.
  Caused by error in `1 + ""`:
  ! non-numeric argument to binary operator

add_tally() owns errors (#6139)

Code
  (expect_error(add_tally(mtcars, wt = 1 + "")))
Output
  <error/dplyr:::mutate_error>
  Error in `add_tally()`:
  i In argument: `n = sum(1 + "", na.rm = TRUE)`.
  Caused by error in `1 + ""`:
  ! non-numeric argument to binary operator

dplyr documentation built on Nov. 17, 2023, 5:08 p.m.