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Update scales-colour.qmd #407

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Update scales-colour.qmd #407

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13 changes: 8 additions & 5 deletions scales-colour.qmd
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Original file line number Diff line number Diff line change
Expand Up @@ -864,9 +864,9 @@ If needed, you can adjust those options independently:
- `legend.box.just`: justification of each legend within the overall bounding box, when there are multiple legends ("top", "bottom", "left", or "right").

Alternatively, if there's a lot of blank space in your plot you might want to place the legend inside the plot.
You can do this by setting `legend.position` to a numeric vector of length two.
You can do this by setting `legend.position = "inside", legend.position.inside = c(...)` to a numeric vector of length two.
The numbers represent a relative location in the panel area: `c(0, 1)` is the top-left corner and `c(1, 0)` is the bottom-right corner.
You control which corner of the legend the `legend.position` refers to with `legend.justification`, which is specified in a similar way.
You control which corner of the legend the `legend.position.inside` refers to with `legend.justification`, which is specified in a similar way.
Unfortunately positioning the legend exactly where you want it requires a lot of trial and error.

```{r}
Expand All @@ -878,19 +878,22 @@ base <- ggplot(toy, aes(up, up)) +

base +
theme(
legend.position = c(0, 1),
legend.position = "inside",
legend.position.inside = c(0, 1)
legend.justification = c(0, 1)
)

base +
theme(
legend.position = c(0.5, 0.5),
legend.position = "inside",
legend.position.inside = c(0.5, 0.5),
legend.justification = c(0.5, 0.5)
)

base +
theme(
legend.position = c(1, 0),
legend.position = "inside",
legend.position.inside = c(1, 0),
legend.justification = c(1, 0)
)
```
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