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4 changes: 2 additions & 2 deletions Chapter-Instructions/Chapter_19_Instructions.qmd
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Original file line number Diff line number Diff line change
Expand Up @@ -265,7 +265,7 @@ Or just the destinations:
```{r filter airports to dest only}
#| eval: false
airports |>
semi_join(flights2, join_by(faa == dest)){r}
semi_join(flights2, join_by(faa == dest))
```

**Anti-joins** are the opposite: they return all rows in x that don’t have a match in y.
Expand Down Expand Up @@ -512,4 +512,4 @@ x |> full_join(y, join_by(key == key), keep = TRUE)
Why?
What happens if you remove this inequality?

**NEXT UP:** [Chapter 26](https://github.com/UCSC-Treehouse/Essential-skills-for-Treehouse-computational-research/blob/main/Chapter-Instructions/Chapter_26_Instructions.md)
**NEXT UP:** [Chapter 26](https://github.com/UCSC-Treehouse/Essential-skills-for-Treehouse-computational-research/blob/main/Chapter-Instructions/Chapter_26_Instructions.md)