tests/testthat/_snaps/log.md

In tidymodels/recipes: Preprocessing and Feature Engineering Steps for Modeling

signed arg

Code
  prep(rec2)
Condition
  Warning:
  When `signed` is TRUE, `offset` will be ignored.
Message

  -- Recipe ----------------------------------------------------------------------

  -- Inputs 
  Number of variables by role
  predictor: 1

  -- Training information 
  Training data contained 4 data points and no incomplete rows.

  -- Operations 
  * Signed log transformation on: x | Trained

bake method errors when needed non-standard role columns are missing

Code
  bake(rec_trained, new_data = ex_dat[, 1:3])
Condition
  Error in `step_log()`:
  ! The following required column is missing from `new_data`: x4.

empty printing

Code
  rec
Message

  -- Recipe ----------------------------------------------------------------------

  -- Inputs 
  Number of variables by role
  outcome:    1
  predictor: 10

  -- Operations 
  * Log transformation on: <none>

Code
  rec
Message

  -- Recipe ----------------------------------------------------------------------

  -- Inputs 
  Number of variables by role
  outcome:    1
  predictor: 10

  -- Training information 
  Training data contained 32 data points and no incomplete rows.

  -- Operations 
  * Log transformation on: <none> | Trained

printing

Code
  print(rec)
Message

  -- Recipe ----------------------------------------------------------------------

  -- Inputs 
  Number of variables by role
  predictor: 4

  -- Operations 
  * Log transformation on: x1, x2, x3, x4

Code
  prep(rec)
Message

  -- Recipe ----------------------------------------------------------------------

  -- Inputs 
  Number of variables by role
  predictor: 4

  -- Training information 
  Training data contained 20 data points and no incomplete rows.

  -- Operations 
  * Log transformation on: x1, x2, x3, x4 | Trained

bad args

Code
  recipe(~., data = ex_dat) %>% step_log(x1, base = -1) %>% prep()
Condition
  Error in `step_log()`:
  Caused by error in `prep()`:
  ! `base` must be a number larger than or equal to 0, not the number -1.

Code
  recipe(~., data = ex_dat) %>% step_log(x1, offset = "none") %>% prep()
Condition
  Error in `step_log()`:
  Caused by error in `prep()`:
  ! `offset` must be a number, not the string "none".

Code
  recipe(~., data = ex_dat) %>% step_log(x1, signed = "yes") %>% prep()
Condition
  Error in `step_log()`:
  Caused by error in `prep()`:
  ! `signed` must be `TRUE` or `FALSE`, not the string "yes".

tidymodels/recipes documentation built on Jan. 25, 2025, 7:30 a.m.