You can use group=interaction(w,z)... but in my experience that gets confusing
for the poor person trying to make sense of the plot. It is better to use
color=w, linetype=z or use facets for one of the grouping variables.
On June 7, 2025 11:21:32 PM PDT, Luigi Marongiu
wrote:
>I would like to
Às 07:21 de 08/06/2025, Luigi Marongiu escreveu:
I would like to plot multivariate data with ggplot2. I have multiple
groups that I need to account for: I have the `x` and `y` values, but
the data must be stratified also by `w` and `z`. I can group by either
`w` or `z`, but how can I group for bo
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