tests/testthat/_snaps/sample.md

In javifar/TIDYVERSE-DPLYR: A Grammar of Data Manipulation

sample_*() gives meaningful error messages

Code
  sample_n(grp, nrow(df2) / 2, weight = y)
Error <dplyr_error>
  too few positive probabilities
  i The error occurred in group 1: g = 1.

Code
  sample_frac(grp, 1, weight = y)
Error <dplyr_error>
  too few positive probabilities
  i The error occurred in group 1: g = 1.

Code
  mtcars %>% group_by(cyl) %>% sample_n(10)
Error <dplyr_error>
  `size` must be less than or equal to 7 (size of data), set `replace` = TRUE to use sampling with replacement.
  i The error occurred in group 2: cyl = 6.

Code
  sample_n(list())
Error <rlang_error>
  `tbl` must be a data frame, not a list.

Code
  sample_frac(list())
Error <rlang_error>
  `tbl` must be a data frame, not a list.

Code
  check_weight(letters[1:2], 2)
Error <rlang_error>
  `weight` must be a numeric, not a character vector.

Code
  check_weight(-1:-2, 2)
Error <rlang_error>
  `weight` must be a vector with all values nonnegative, not -1.

Code
  check_weight(letters, 2)
Error <rlang_error>
  `weight` must be a numeric, not a character vector.

Code
  sample_n(df, 2, weight = y)
Error <dplyr_error>
  too few positive probabilities

Code
  sample_frac(df, 2)
Error <dplyr_error>
  `size` of sampled fraction must be less or equal to one, set `replace` = TRUE to use sampling with replacement.

Code
  sample_frac(df %>% group_by(y), 2)
Error <dplyr_error>
  `size` of sampled fraction must be less or equal to one, set `replace` = TRUE to use sampling with replacement.
  i The error occurred in group 1: y = 0.

Code
  sample_frac(df, 1, weight = y)
Error <dplyr_error>
  too few positive probabilities

javifar/TIDYVERSE-DPLYR documentation built on Dec. 20, 2021, 9:08 p.m.