# Package org.apache.datasketches.fdt

Frequent Distinct Tuples Sketch

See: Description

Class Summary
FdtSketch: A Frequent Distinct Tuples sketch.
Group: Defines a Group from a Frequent Distinct Tuple query.
PostProcessor: This processes the contents of a FDT sketch to extract the primary keys with the most frequent unique combinations of the non-primary dimensions.

## Package org.apache.datasketches.fdt Description

Frequent Distinct Tuples Sketch