Determine if a workflow has been trained
A trained workflow is one that has gone through fit(),
which preprocesses the underlying data, and fits the parsnip model.
is_trained_workflow(x)
x |
A workflow. |
A single logical indicating if the workflow has been trained or not.
library(parsnip) library(recipes) library(magrittr) rec <- recipe(mpg ~ cyl, mtcars) mod <- linear_reg() mod <- set_engine(mod, "lm") wf <- workflow() %>% add_recipe(rec) %>% add_model(mod) # Before any preprocessing or model fitting has been done is_trained_workflow(wf) wf <- fit(wf, mtcars) # After all preprocessing and model fitting is_trained_workflow(wf)
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