Column Operations
statistics— summary statistics (sum,mean, etc.) and cumulative statistics (cumSum, etc.)asIterable— returns values ofDataColumnasIterableasSequence— returns values ofDataColumnasSequencebetween— returns a BooleanDataColumnindicating whether each value lies between two boundsfirst— returns the first value in aDataColumnlast— returns the last value in aDataColumnsingle— returns the single value in aDataColumn
API reference: api package
02 November 2026