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Link to faux package vignette

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Hadley Wickham 2022-08-08 13:44:15 -05:00
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factors.qmd
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@ -425,6 +425,6 @@ In practice, `ordered()` factors behave very similarly to regular factors.
There are only two places where you might notice different behavior:
- If you map an ordered factor to color or fill in ggplot2, it will default to `scale_color_viridis()`/`scale_fill_viridis()`, a color scale that implies a ranking.
- If you use an ordered function in a linear model, it will use "polygonal contrasts". These are mildly useful, but you are unlikely to have heard of them unless you have a PhD in Statistics, and even then you probably don't routinely interpret them.
- If you use an ordered function in a linear model, it will use "polygonal contrasts". These are mildly useful, but you are unlikely to have heard of them unless you have a PhD in Statistics, and even then you probably don't routinely interpret them. If you want to learn more, I'd recommend `vignette("contrasts", package = "faux")` by Lisa DeBruine.
Given the arguable utility of these differences, we don't generally recommend using ordered factors.