# Uses of Class
org.apache.sysds.runtime.matrix.data.sketch.CountDistinctSketch

Packages that use CountDistinctSketch
Package
Description
org.apache.sysds.runtime.matrix.data.sketch.countdistinct
org.apache.sysds.runtime.matrix.data.sketch.countdistinctapprox

## Uses of CountDistinctSketch in org.apache.sysds.runtime.matrix.data.sketch.countdistinct

Subclasses of CountDistinctSketch in org.apache.sysds.runtime.matrix.data.sketch.countdistinct
Modifier and Type
Class
Description
`class`
`CountDistinctFunctionSketch`

## Uses of CountDistinctSketch in org.apache.sysds.runtime.matrix.data.sketch.countdistinctapprox

Subclasses of CountDistinctSketch in org.apache.sysds.runtime.matrix.data.sketch.countdistinctapprox
Modifier and Type
Class
Description
`class`
`KMVSketch`
KMV synopsis(for k minimum values) Distinct-Value Estimation Kevin S.