tests/testthat/_snaps/feature_hash.md

In topepo/embed: Extra Recipes for Encoding Predictors

basic usage

Code
  res_te <- bake(rec_tr, te_dat, dplyr::starts_with("x3"))
Condition
  Warning:
  ! There was 1 column that was a factor when the recipe was prepped:
  * `x3`
  i This may cause errors when processing new data.

check_name() is used

Code
  prep(rec, training = dat)
Condition
  Error in `step_feature_hash()`:
  Caused by error in `bake()`:
  ! Name collision occurred. The following variable names already exist:
  * `x3_hash_01`

empty printing

Code
  rec
Message

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

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

  -- Operations 
  * Feature hashed dummy variables for: <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 
  * Feature hashed dummy variables for: <none> | Trained

keep_original_cols - can prep recipes with it missing

Code
  rec <- prep(rec)
Condition
  Warning:
  `keep_original_cols` was added to `step_feature_hash()` after this recipe was created.
  i Regenerate your recipe to avoid this warning.

printing

Code
  print(rec)
Message

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

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

  -- Operations 
  * Feature hashed dummy variables for: x3

Code
  prep(rec)
Message

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

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

  -- Training information 
  Training data contained 500 data points and no incomplete rows.

  -- Operations 
  * Feature hashed dummy variables for: <none> | Trained

topepo/embed documentation built on March 26, 2024, 4:11 a.m.