loop-over-all-stages-helpers-config-key.md
In tune: Tidy Tuning Tools

set configurations - single element

Code
  tune:::get_config_key(tibble::tibble(polynimial_degree = 1:2), wflow_pre)
Condition
  Error:
  ! Some parameters are tagged for tuning but are not in the grid: `degree`

Code
  tune:::get_config_key(tibble::tibble(degree = 1:3), wflow_pre)
Output
  # A tibble: 3 x 2
    degree .config        
     <int> <chr>          
  1      1 pre1_mod0_post0
  2      2 pre2_mod0_post0
  3      3 pre3_mod0_post0

Code
  tune:::get_config_key(tibble::tibble(degree = 1), wflow_pre)
Output
  # A tibble: 1 x 2
    degree .config        
     <dbl> <chr>          
  1      1 pre1_mod0_post0

Code
  tune:::get_config_key(tibble::tibble(min_n = 10:12), wflow_mod)
Output
  # A tibble: 3 x 2
    min_n .config        
    <int> <chr>          
  1    10 pre0_mod1_post0
  2    11 pre0_mod2_post0
  3    12 pre0_mod3_post0

Code
  tune:::get_config_key(tibble::tibble(cut = seq(0, 1, length.out = 5)),
  wflow_post)
Output
  # A tibble: 5 x 2
      cut .config        
    <dbl> <chr>          
  1  0    pre0_mod0_post1
  2  0.25 pre0_mod0_post2
  3  0.5  pre0_mod0_post3
  4  0.75 pre0_mod0_post4
  5  1    pre0_mod0_post5

set configurations - two elements

Code
  tune:::get_config_key(tidyr::crossing(degree = 1:3, neighbors = 1:2), wflow_1)
Output
  # A tibble: 6 x 3
    neighbors degree .config        
        <int>  <int> <chr>          
  1         1      1 pre1_mod1_post0
  2         2      1 pre1_mod2_post0
  3         1      2 pre2_mod1_post0
  4         2      2 pre2_mod2_post0
  5         1      3 pre3_mod1_post0
  6         2      3 pre3_mod2_post0

Code
  tune:::get_config_key(slice(tidyr::crossing(min_n = 1:3, cut = (1:5) / 5), -1),
  wflow_2)
Output
  # A tibble: 14 x 3
     min_n   cut .config        
     <int> <dbl> <chr>          
   1     1   0.4 pre0_mod1_post2
   2     1   0.6 pre0_mod1_post3
   3     1   0.8 pre0_mod1_post4
   4     1   1   pre0_mod1_post5
   5     2   0.2 pre0_mod2_post1
   6     2   0.4 pre0_mod2_post2
   7     2   0.6 pre0_mod2_post3
   8     2   0.8 pre0_mod2_post4
   9     2   1   pre0_mod2_post5
  10     3   0.2 pre0_mod3_post1
  11     3   0.4 pre0_mod3_post2
  12     3   0.6 pre0_mod3_post3
  13     3   0.8 pre0_mod3_post4
  14     3   1   pre0_mod3_post5

Code
  tune:::get_config_key(grid, wflow_3)
Output
  # A tibble: 10 x 3
     degree   cut .config         
      <int> <dbl> <chr>           
   1      1 0     pre1_mod0_post01
   2      1 0.333 pre1_mod0_post04
   3      1 0.444 pre1_mod0_post05
   4      1 0.778 pre1_mod0_post08
   5      2 0.111 pre2_mod0_post02
   6      2 0.556 pre2_mod0_post06
   7      2 0.889 pre2_mod0_post09
   8      3 0.222 pre3_mod0_post03
   9      3 0.667 pre3_mod0_post07
  10      3 1     pre3_mod0_post10

set configurations - all or none

Code
  tune:::get_config_key(tibble(), wflow_none)
Output
  # A tibble: 1 x 1
    .config        
    <chr>          
  1 pre0_mod0_post0

Code
  tune:::get_config_key(grid, wflow_all)
Output
  # A tibble: 5 x 4
    min_n degree   cut .config        
    <int>  <int> <dbl> <chr>          
  1    21      1  1    pre1_mod3_post5
  2    30      1  0.25 pre1_mod4_post2
  3     2      2  0    pre2_mod1_post1
  4    40      2  0.5  pre2_mod5_post3
  5    11      3  0.75 pre3_mod2_post4