View source: R/param_set.workflows.R
parameters.workflow | R Documentation |
These methods have been deprecated in favor of extract_parameter_set_dials()
.
These methods extend the generic dials::parameters()
to work with more
complex objects, such as recipes, model specifications, and workflows.
## S3 method for class 'workflow' parameters(x, ...) ## S3 method for class 'model_spec' parameters(x, ...) ## S3 method for class 'recipe' parameters(x, ...)
x |
An object |
... |
Not currently used. |
A parameter set object
library(tibble) library(recipes) recipe(mpg ~ ., data = mtcars) %>% step_impute_knn(all_predictors(), neighbors = tune()) %>% step_pca(all_predictors(), num_comp = tune()) %>% dials::parameters() # A peak under the hood tibble::as_tibble(.Last.value) recipe(mpg ~ ., data = mtcars) %>% step_ns(disp, deg_free = tune("disp df")) %>% step_ns(wt, deg_free = tune("wt df")) %>% dials::parameters() recipe(mpg ~ ., data = mtcars) %>% step_normalize(all_predictors()) %>% dials::parameters() library(parsnip) boost_tree(trees = tune(), min_n = tune()) %>% set_engine("xgboost") %>% dials::parameters() boost_tree(trees = tune(), min_n = tune()) %>% set_engine("C5.0", rules = TRUE) %>% dials::parameters()
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