tests/testthat/_snaps/forge-recipe.md

In hardhat: Construct Modeling Packages

novel predictor levels are caught

Code
  xx1 <- forge(new, x1$blueprint)
Condition
  Warning:
  Novel levels found in column 'f': 'e'. The levels have been removed, and values have been coerced to 'NA'.

Code
  xx2 <- forge(new, x2$blueprint)
Condition
  Warning:
  Novel levels found in column 'f': 'e'. The levels have been removed, and values have been coerced to 'NA'.
  Warning:
  ! There are new levels in a factor: `NA`.

novel predictor levels can be ignored and handled by recipes

Code
  xx1 <- forge(new, x1$blueprint)

Code
  xx2 <- forge(new, x2$blueprint)

Code
  xx3 <- forge(new, x3$blueprint)

novel outcome levels are caught

Code
  xx1 <- forge(new, x1$blueprint, outcomes = TRUE)
Condition
  Warning:
  Novel levels found in column 'f': 'e'. The levels have been removed, and values have been coerced to 'NA'.

Code
  xx2 <- forge(new, x2$blueprint, outcomes = TRUE)
Condition
  Warning:
  Novel levels found in column 'f': 'e'. The levels have been removed, and values have been coerced to 'NA'.

forge() will error if required non standard roles are missing

Code
  forge(iris, x$blueprint)
Condition
  Error in `validate_column_names()`:
  ! The following required columns are missing: 'Sepal.Width'.

NA roles are treated as extra roles that are required at forge() time

Code
  forge(iris, x$blueprint)
Condition
  Error in `validate_column_names()`:
  ! The following required columns are missing: 'Petal.Length'.

forge() is compatible with hardhat 0.2.0 molded blueprints with a basic recipe

Code
  forge(new_data, blueprint)
Condition
  Error in `validate_column_names()`:
  ! The following required columns are missing: 'x'.

forge() is compatible with hardhat 0.2.0 molded blueprints with a recipe with a nonstandard role

Code
  forge(new_data, blueprint)
Condition
  Error in `validate_column_names()`:
  ! The following required columns are missing: 'id'.

hardhat documentation built on June 22, 2024, 10:06 a.m.