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4 changes: 2 additions & 2 deletions Chapter-Instructions/Chapter_09_Instructions.qmd
Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@ Since ggplot2 will only use six shapes at a time, by default, additional groups
The second warning is related – there are 62 SUVs in the dataset and they’re not plotted.

Similarly, we can map class to size or alpha aesthetics as well, which control the size and the transparency of the points, respectively.
```{r explictly choose size and alpha}
```{r explicitly choose size and alpha}
#| eval: false
# Left
ggplot(mpg, aes(x = displ, y = hwy, size = class)) +
Expand Down Expand Up @@ -626,4 +626,4 @@ In practice, you rarely need to supply all seven parameters to make a graph beca

------------------------------------------------------------------------

**NEXT UP:** [Chapter 10](https://github.com/UCSC-Treehouse/Essential-skills-for-Treehouse-computational-research/blob/main/Chapter-Instructions/Chapter_10_Instructions.md)
**NEXT UP:** [Chapter 10](https://github.com/UCSC-Treehouse/Essential-skills-for-Treehouse-computational-research/blob/main/Chapter-Instructions/Chapter_10_Instructions.md)