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facet_wrap ~var errors but "var" works #168

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tdhock opened this issue Nov 23, 2024 · 0 comments

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tdhock commented Nov 23, 2024

at least we should have a better error message

> ggplot()+
+ facet_wrap(. ~ Species)+
+ geom_point(aes(
+ Sepal.Length, Petal.Length),
+ data=iris)
Erreur dans layout_base(data, vars, drop = drop) : 
  At least one layer must contain all variables used for facetting
> ggplot()+
+ facet_wrap("Species")+
+ geom_point(aes(
+ Sepal.Length, Petal.Length),
+ data=iris)
>

tdhock added the beginner-task label

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