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index constructor

Source: R/transformations.R
make_index.Rd

Make a transformation that treats each element as an index into a vector of categories.

Usage

make_index(input_domain, input_metric, categories, null, .TOA = NULL)

Arguments

input_domain

The domain of the input vector.

input_metric

The metric of the input vector.

categories

The set of categories to index into.

null

Category to return if the index is out-of-range of the category set.

.TOA

Atomic Output Type. Output data will be Vec<TOA>.

Value

Transformation

Details

Required features: contrib

make_index in Rust documentation.

Supporting Elements:

  • Input Domain: VectorDomain<AtomDomain<usize>>

  • Output Domain: VectorDomain<AtomDomain<TOA>>

  • Input Metric: M

  • Output Metric: M