10.2 Pass the split object

lm_split <- workflows::workflow() %>%
  workflows::add_formula(Sale_Price ~ Gr_Liv_Area) %>%
  workflows::add_model(lm_spec) %>%
  tune::last_fit(ames_split)
  

lm_split
## # # Monte Carlo cross-validation (0.75/0.25) with 1 resamples  
## # A tibble: 1 x 6
##   splits        id           .metrics      .notes      .predictions    .workflow
## * <list>        <chr>        <list>        <list>      <list>          <list>   
## 1 <split [2.2K… train/test … <tibble [2 ×… <tibble [0… <tibble [731 ×… <workflo…