A second precomputed vignette

This is an example of another precomputed vignette:

set.seed(1234)
tbl <- data.frame(x = runif(10), y = runif(10))

tbl
#>              x         y
#> 1  0.113703411 0.6935913
#> 2  0.622299405 0.5449748
#> 3  0.609274733 0.2827336
#> 4  0.623379442 0.9234335
#> 5  0.860915384 0.2923158
#> 6  0.640310605 0.8372956
#> 7  0.009495756 0.2862233
#> 8  0.232550506 0.2668208
#> 9  0.666083758 0.1867228
#> 10 0.514251141 0.2322259