filter_l: Filter lens
In lenses: Elegant Data Manipulation with Lenses

Create a lawful lens into the result of a filter. This focuses only columns not involved in the filter condition.

1	filter_l(...)

...

unquoted NSE filter arguments

1 2	head(view(iris, filter_l(Species == "setosa"))) # Note Species is not seen head(over(iris, filter_l(Species == "setosa"), function(x) x + 10))

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

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