The fraction of the root parent's weight that survives in this object. A scale that was never subset covers all of itself, so every weight reports 1.
scale_coverage(x, weight = NULL)A NestedScale.
A single weight name, or NULL for all declared weights.
A named numeric over the declared weights, or a single unnamed
numeric when weight is given.
scale_coverage(scale_example())
#> size count
#> 1 1