## Uses of Class
org.apache.sysds.runtime.compress.colgroup.AColGroupValue

- Packages that use AColGroupValue
  Package | Description
  --- | ---
  org.apache.sysds.runtime.compress.colgroup |

- - ### Uses of AColGroupValue in org.apache.sysds.runtime.compress.colgroup

    Subclasses of AColGroupValue in org.apache.sysds.runtime.compress.colgroup
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `AColGroupOffset` | Base class for column groups encoded with various types of bitmap encoding.
    `class` | `AMorphingMMColGroup` | Abstract class for column group types that do not perform matrix Multiplication, and decompression for performance reasons but instead transforms into another type of column group type to perform that operation.
    `class` | `APreAgg` | Abstract class for all the column groups that use preAggregation for Left matrix multiplications.
    `class` | `ASDCZero` |
    `class` | `ColGroupDDC` | Class to encapsulate information about a column group that is encoded with dense dictionary encoding (DDC).
    `class` | `ColGroupDDCFOR` | Class to encapsulate information about a column group that is encoded with dense dictionary encoding (DDC).
    `class` | `ColGroupDeltaDDC` | Class to encapsulate information about a column group that is first delta encoded then encoded with dense dictionary encoding (DeltaDDC).
    `class` | `ColGroupOLE` | Class to encapsulate information about a column group that is encoded with simple lists of offsets for each set of distinct values.
    `class` | `ColGroupRLE` | A group of columns compressed with a single run-length encoded bitmap.
    `class` | `ColGroupSDC` | Column group that sparsely encodes the dictionary values.
    `class` | `ColGroupSDCFOR` | ColGroup for Patched Frame Of Reference.
    `class` | `ColGroupSDCSingle` | Column group that sparsely encodes the dictionary values.
    `class` | `ColGroupSDCSingleZeros` | Column group that sparsely encodes the dictionary values.
    `class` | `ColGroupSDCZeros` | Column group that sparsely encodes the dictionary values.

    Methods in org.apache.sysds.runtime.compress.colgroup that return AColGroupValue
    Modifier and Type | Method | Description
    --- | --- | ---
    `AColGroupValue` | AColGroupValue.`copy()` |