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Reduce-to-column query operation.

Source: R/query_builders_exports.R
ReduceToColumn.Rd

Builds a >| <Reduction> query fragment from a reduction query. Converts each row of a matrix to a single value via the given reduction (Sum(), Mean(), Quantile(p = 0.5), ...).

Usage

ReduceToColumn(reduction, ...)

Arguments

reduction

A reduction DafrQuery (e.g. Sum(), Quantile(p = 0.5)), or a piped DafrQuery with the reduction supplied in ....

...

The reduction DafrQuery when reduction holds the piped prior.

Value

A DafrQuery.

See also

ReduceToRow()

Examples

ReduceToColumn(Sum())
#> <DafrQuery> >| Sum 
ReduceToColumn(Quantile(p = 0.5))
#> <DafrQuery> >| Quantile p: "0.5"