Nothing
Code
recipe(~., data = iris) %>% step_novel(all_predictors()) %>% prep(iris)
Condition
Error in `step_novel()`:
Caused by error in `prep()`:
! All columns selected for the step should be string, factor, or ordered.
Code
recipe(~., data = tr_bad) %>% step_novel(all_predictors()) %>% prep(tr_bad)
Condition
Error in `step_novel()`:
Caused by error in `prep()`:
! Columns already contain the new level: x
Code
rec
Message
-- Recipe ----------------------------------------------------------------------
-- Inputs
Number of variables by role
outcome: 1
predictor: 10
-- Operations
* Novel factor level assignment 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
* Novel factor level assignment for: <none> | Trained
Code
print(rec)
Message
-- Recipe ----------------------------------------------------------------------
-- Inputs
Number of variables by role
predictor: 5
-- Operations
* Novel factor level assignment for: all_predictors()
Code
prep(rec)
Message
-- Recipe ----------------------------------------------------------------------
-- Inputs
Number of variables by role
predictor: 5
-- Training information
Training data contained 200 data points and no incomplete rows.
-- Operations
* Novel factor level assignment for: v, w, x, y, z | Trained
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