levels_l: Levels lens
In lenses: Elegant Data Manipulation with Lenses

A lens into the levels of an object. Usually this is factor levels. Lens equivalent of levels and levels<-.

levels_l

An object of class lens of length 2.

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x <- factor(c("a", "b"))
view(x, levels_l)
set(x, levels_l, c("A", "B"))

lenses documentation built on May 2, 2019, 8:51 a.m.

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