# Uses of Interface
org.apache.sysds.runtime.compress.colgroup.IFrameOfReferenceGroup

Packages that use IFrameOfReferenceGroup
Package
Description
org.apache.sysds.runtime.compress.colgroup

## Uses of IFrameOfReferenceGroup in org.apache.sysds.runtime.compress.colgroup

Classes in org.apache.sysds.runtime.compress.colgroup that implement IFrameOfReferenceGroup
Modifier and Type
Class
Description
`class`
`ColGroupDDCFOR`
Class to encapsulate information about a column group that is encoded with dense dictionary encoding (DDC).
`class`
`ColGroupSDCFOR`
ColGroup for Patched Frame Of Reference.