add residuals when outcome is available in augment.workflow()

[simonpcouch]

Closes #131. Companion PR with tidymodels/parsnip#961.

library(workflows)
library(parsnip)

wf_fit <- workflow(mpg ~ ., linear_reg()) %>% fit(mtcars)
spec_fit <- fit(linear_reg(), mpg ~ ., mtcars)

extract_fit_parsnip(wf_fit)$preproc$y_var
#> [1] "mpg"
spec_fit$preproc$y_var
#> [1] "mpg"

augment(wf_fit, mtcars)
#> # A tibble: 32 × 13
#>    .pred  .resid   mpg   cyl  disp    hp  drat    wt  qsec    vs    am  gear
#>  * <dbl>   <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
#>  1  22.6 -1.60    21       6  160    110  3.9   2.62  16.5     0     1     4
#>  2  22.1 -1.11    21       6  160    110  3.9   2.88  17.0     0     1     4
#>  3  26.3 -3.45    22.8     4  108     93  3.85  2.32  18.6     1     1     4
#>  4  21.2  0.163   21.4     6  258    110  3.08  3.22  19.4     1     0     3
#>  5  17.7  1.01    18.7     8  360    175  3.15  3.44  17.0     0     0     3
#>  6  20.4 -2.28    18.1     6  225    105  2.76  3.46  20.2     1     0     3
#>  7  14.4 -0.0863  14.3     8  360    245  3.21  3.57  15.8     0     0     3
#>  8  22.5  1.90    24.4     4  147.    62  3.69  3.19  20       1     0     4
#>  9  24.4 -1.62    22.8     4  141.    95  3.92  3.15  22.9     1     0     4
#> 10  18.7  0.501   19.2     6  168.   123  3.92  3.44  18.3     1     0     4
#> # ℹ 22 more rows
#> # ℹ 1 more variable: carb <dbl>
augment(spec_fit, mtcars)
#> # A tibble: 32 × 13
#>    .pred  .resid   mpg   cyl  disp    hp  drat    wt  qsec    vs    am  gear
#>    <dbl>   <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
#>  1  22.6 -1.60    21       6  160    110  3.9   2.62  16.5     0     1     4
#>  2  22.1 -1.11    21       6  160    110  3.9   2.88  17.0     0     1     4
#>  3  26.3 -3.45    22.8     4  108     93  3.85  2.32  18.6     1     1     4
#>  4  21.2  0.163   21.4     6  258    110  3.08  3.22  19.4     1     0     3
#>  5  17.7  1.01    18.7     8  360    175  3.15  3.44  17.0     0     0     3
#>  6  20.4 -2.28    18.1     6  225    105  2.76  3.46  20.2     1     0     3
#>  7  14.4 -0.0863  14.3     8  360    245  3.21  3.57  15.8     0     0     3
#>  8  22.5  1.90    24.4     4  147.    62  3.69  3.19  20       1     0     4
#>  9  24.4 -1.62    22.8     4  141.    95  3.92  3.15  22.9     1     0     4
#> 10  18.7  0.501   19.2     6  168.   123  3.92  3.44  18.3     1     0     4
#> # ℹ 22 more rows
#> # ℹ 1 more variable: carb <dbl>

^{Created on 2023-05-05 with reprex v2.0.2}

[hfrick]

Nice new feature! 🌲

[github-actions]

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