Comments (1)
Solution: Convert to a workflow
with recipe()
Example:
mod_lm <- linear_reg() %>%
set_engine("lm")
recipe_spec <- recipe(value ~ date, data = training(splits)) %>%
step_mutate(
date_num = as.numeric(date),
date_mon = month(date, label = TRUE)
) %>%
step_rm(date)
wflw_lm <- workflow() %>%
add_model(mod_lm) %>%
add_recipe(recipe_spec) %>%
fit(training(splits))
This succeeds:
# > modeltime_table(wflw_lm) %>%
# + modeltime_fit_resamples(
# + resamples = resamples_tscv,
# + control = control_resamples(verbose = TRUE, allow_par = TRUE)
# + )
# -- Fitting Resamples --------------------------------------------
#
# * Model ID: 1 LM
# i Slice1: preprocessor 1/1
# v Slice1: preprocessor 1/1
# i Slice1: preprocessor 1/1, model 1/1
# v Slice1: preprocessor 1/1, model 1/1
# i Slice1: preprocessor 1/1, model 1/1 (predictions)
# i Slice2: preprocessor 1/1
# v Slice2: preprocessor 1/1
# i Slice2: preprocessor 1/1, model 1/1
# v Slice2: preprocessor 1/1, model 1/1
# i Slice2: preprocessor 1/1, model 1/1 (predictions)
# i Slice3: preprocessor 1/1
# v Slice3: preprocessor 1/1
# i Slice3: preprocessor 1/1, model 1/1
# v Slice3: preprocessor 1/1, model 1/1
# i Slice3: preprocessor 1/1, model 1/1 (predictions)
# 1.37 sec elapsed
#
# # Modeltime Table
# # A tibble: 1 x 4
# .model_id .model .model_desc .resample_results
# <int> <list> <chr> <list>
# 1 1 <workflow> LM <rsmp[+]>
from modeltime.resample.
Related Issues (13)
- add .resample_id to modeltime_resample_accuracy output if summary_fns = NULL HOT 2
- modeltime_fit_resamples() automatically 'lags' the .row column HOT 1
- Error in out$extras$final(predictors_extras, outcomes_extras): argument "outcomes_extras" is missing, with no default HOT 1
- Request to resampling to nested forecasting. HOT 1
- Resample with Autoregressive Models HOT 6
- Display resampling accuracy metrics by ID. It is possible to see the results of the resampling folds by ID, that is, for each predicted time series using the function modeltime_resample_accuracy HOT 1
- NA Values in modeltime_resample_accuracy HOT 6
- Local Behavior in Resample Accuracy HOT 1
- Not possible to use ensemble HOT 1
- modeltime_resample_accuracy with 1 observation test sets HOT 2
- Ability to combine resample tables
- Could you clarify how the rolling root mean squared error (RMSE) is calculated? HOT 1
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from modeltime.resample.