Nothing
Code
res <- st_reg_1__ %>% blend_predictions()
Condition
Error in `blend_predictions()`:
! Element data_stack needs to inherit from `data_stack`, but its class is `linear_stack`, `model_stack`, and `list`.
Code
res <- st_reg_1 %>% blend_predictions(non_negative = "Yup")
Condition
Error in `blend_predictions()`:
! Element non_negative needs to inherit from `logical`, but its class is `character`.
Code
res <- st_reg_1 %>% blend_predictions(metric = "Yup")
Condition
Error in `blend_predictions()`:
! Element metric needs to inherit from `metric_set`, but its class is `character`.
Code
res <- st_reg_1 %>% blend_predictions(metric = yardstick::accuracy)
Condition
Error in `blend_predictions()`:
! Element metric needs to inherit from `metric_set`, but its class is `class_metric`, `metric`, and `function`.
Code
res <- stacks() %>% blend_predictions()
Condition
Error in `blend_predictions()`:
! The data stack supplied as the argument to `data_stack` has no candidate members. Please first add candidates with the `add_candidates()` (`?stacks::add_candidates()`) function.
Code
res <- stacks() %>% add_candidates(reg_res_lr) %>% blend_predictions()
Condition
Error in `blend_predictions()`:
! The supplied data stack only contains one candidate member. Please add more candidate members using `add_candidates()` (`?stacks::add_candidates()`) before blending.
Code
res <- stacks() %>% add_candidates(class_res_nn) %>% blend_predictions()
Condition
Error in `blend_predictions()`:
! The supplied data stack only contains one candidate member. Please add more candidate members using `add_candidates()` (`?stacks::add_candidates()`) before blending.
Code
res <- stacks() %>% add_candidates(log_res_nn) %>% blend_predictions()
Condition
Error in `blend_predictions()`:
! The supplied data stack only contains one candidate member. Please add more candidate members using `add_candidates()` (`?stacks::add_candidates()`) before blending.
Code
res <- st_reg_1 %>% blend_predictions(penalty = -1)
Condition
Error in `blend_predictions()`:
! Please supply only nonnegative values to the penalty argument.
Code
res <- st_reg_1 %>% blend_predictions(mixture = -1)
Condition
Error in `blend_predictions()`:
! Please supply only values in [0, 1] to the mixture argument.
Code
res <- st_reg_1 %>% blend_predictions(penalty = "lots")
Condition
Error in `blend_predictions()`:
! The argument to 'penalty' must be a numeric, but the supplied penalty's class is `character`.
Code
res <- st_reg_1 %>% blend_predictions(penalty = tibble::tibble())
Condition
Error in `blend_predictions()`:
! The argument to 'penalty' must be a numeric, but the supplied penalty's class is `tbl_df`, `tbl`, and `data.frame`.
Code
res <- st_reg_1 %>% blend_predictions(numeric(0))
Condition
Error in `blend_predictions()`:
! Please supply one or more penalty values.
Code
process_data_stack(data.frame(a = rep(NA, 5)))
Condition
Error:
! All rows in the data stack have at least one missing value. Please ensure that all candidates supply predictions.
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