::: {.cell hash='03_Data_preprocessing_cache/revealjs/unnamed-chunk-43_bde9abf4d2670316cb621b25855ac6d5'}

```{.r .cell-code}
y
```

::: {.cell-output .cell-output-stdout}
```
# A tibble: 3 × 2
    key val_x
  <dbl> <chr>
1     1 y1   
2     2 y2   
3     4 y4   
```
:::
:::