core/org.jetbrains.kotlinx.dataframe.impl.aggregation.aggregators.multipleColumnsHandlers/TwoStepMultipleColumnsHandler/aggregateMultipleColumns

aggregateMultipleColumns

open override fun aggregateMultipleColumns(columns: Sequence<DataColumn<Value?>>): Return

Aggregates the data in the multiple given columns and computes a single resulting value.

This function calls aggregator .aggregateSingleColumn() on each column and then stepTwo .aggregateSequence() on the results.