## Uses of Class
org.apache.sysds.runtime.compress.estim.CompressedSizeInfoColGroup

- Packages that use CompressedSizeInfoColGroup
  Package | Description
  --- | ---
  org.apache.sysds.runtime.compress.cocode |
  org.apache.sysds.runtime.compress.cost |
  org.apache.sysds.runtime.compress.estim |

- - ### Uses of CompressedSizeInfoColGroup in org.apache.sysds.runtime.compress.cocode

    Methods in org.apache.sysds.runtime.compress.cocode that return CompressedSizeInfoColGroup
    Modifier and Type | Method | Description
    --- | --- | ---
    `CompressedSizeInfoColGroup` | Memorizer.`get​(ColIndexes c)` |
    `CompressedSizeInfoColGroup` | Memorizer.`getOrCreate​(ColIndexes cI, ColIndexes c1, ColIndexes c2)` |

    Methods in org.apache.sysds.runtime.compress.cocode with parameters of type CompressedSizeInfoColGroup
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | Memorizer.`put​(ColIndexes key, CompressedSizeInfoColGroup val)` |
    `void` | Memorizer.`put​(CompressedSizeInfoColGroup g)` |

  - ### Uses of CompressedSizeInfoColGroup in org.apache.sysds.runtime.compress.cost

    Methods in org.apache.sysds.runtime.compress.cost with parameters of type CompressedSizeInfoColGroup
    Modifier and Type | Method | Description
    --- | --- | ---
    `double` | ACostEstimate.`getCost​(CompressedSizeInfoColGroup g)` | Get cost of a single column group estimate.

  - ### Uses of CompressedSizeInfoColGroup in org.apache.sysds.runtime.compress.estim

    Fields in org.apache.sysds.runtime.compress.estim with type parameters of type CompressedSizeInfoColGroup
    Modifier and Type | Field | Description
    --- | --- | ---
    `List<CompressedSizeInfoColGroup>` | CompressedSizeInfo.`compressionInfo` |

    Methods in org.apache.sysds.runtime.compress.estim that return CompressedSizeInfoColGroup
    Modifier and Type | Method | Description
    --- | --- | ---
    `CompressedSizeInfoColGroup` | CompressedSizeEstimator.`combine​(int[] combinedColumns, CompressedSizeInfoColGroup g1, CompressedSizeInfoColGroup g2)` | Combine two analyzed column groups together.
    `CompressedSizeInfoColGroup` | CompressedSizeEstimator.`combine​(CompressedSizeInfoColGroup g1, CompressedSizeInfoColGroup g2)` | combine two analyzed column groups together.
    `CompressedSizeInfoColGroup` | CompressedSizeEstimator.`getColGroupInfo​(int[] colIndexes)` | Method for extracting Compressed Size Info of specified columns, together in a single ColGroup
    `abstract CompressedSizeInfoColGroup` | CompressedSizeEstimator.`getColGroupInfo​(int[] colIndexes, int estimate, int nrUniqueUpperBound)` | A method to extract the Compressed Size Info for a given list of columns, This method further limits the estimated number of unique values, since in some cases the estimated number of uniques is estimated higher than the number estimated in sub groups of the given colIndexes.
    `CompressedSizeInfoColGroup` | CompressedSizeEstimatorExact.`getColGroupInfo​(int[] colIndexes, int estimate, int nrUniqueUpperBound)` |
    `CompressedSizeInfoColGroup` | CompressedSizeEstimatorSample.`getColGroupInfo​(int[] colIndexes, int estimate, int maxDistinct)` |
    `CompressedSizeInfoColGroup` | CompressedSizeEstimator.`getDeltaColGroupInfo​(int[] colIndexes)` | Method for extracting info of specified columns as delta encodings (delta from previous rows values)
    `abstract CompressedSizeInfoColGroup` | CompressedSizeEstimator.`getDeltaColGroupInfo​(int[] colIndexes, int estimate, int nrUniqueUpperBound)` | A method to extract the Compressed Size Info for a given list of columns, This method further limits the estimated number of unique values, since in some cases the estimated number of uniques is estimated higher than the number estimated in sub groups of the given colIndexes.
    `CompressedSizeInfoColGroup` | CompressedSizeEstimatorExact.`getDeltaColGroupInfo​(int[] colIndexes, int estimate, int nrUniqueUpperBound)` |
    `CompressedSizeInfoColGroup` | CompressedSizeEstimatorSample.`getDeltaColGroupInfo​(int[] colIndexes, int estimate, int maxDistinct)` |
    `CompressedSizeInfoColGroup` | CompressedSizeInfo.`getGroupInfo​(int index)` |

    Methods in org.apache.sysds.runtime.compress.estim that return types with arguments of type CompressedSizeInfoColGroup
    Modifier and Type | Method | Description
    --- | --- | ---
    `List<CompressedSizeInfoColGroup>` | CompressedSizeInfo.`getInfo()` |

    Methods in org.apache.sysds.runtime.compress.estim with parameters of type CompressedSizeInfoColGroup
    Modifier and Type | Method | Description
    --- | --- | ---
    `CompressedSizeInfoColGroup` | CompressedSizeEstimator.`combine​(int[] combinedColumns, CompressedSizeInfoColGroup g1, CompressedSizeInfoColGroup g2)` | Combine two analyzed column groups together.
    `CompressedSizeInfoColGroup` | CompressedSizeEstimator.`combine​(CompressedSizeInfoColGroup g1, CompressedSizeInfoColGroup g2)` | combine two analyzed column groups together.

    Method parameters in org.apache.sysds.runtime.compress.estim with type arguments of type CompressedSizeInfoColGroup
    Modifier and Type | Method | Description
    --- | --- | ---
    `CompressedSizeInfo` | CompressedSizeInfo.`setInfo​(List<CompressedSizeInfoColGroup> info)` |

    Constructors in org.apache.sysds.runtime.compress.estim with parameters of type CompressedSizeInfoColGroup
    Constructor | Description
    --- | ---
    `CompressedSizeInfo​(CompressedSizeInfoColGroup g)` |

    Constructor parameters in org.apache.sysds.runtime.compress.estim with type arguments of type CompressedSizeInfoColGroup
    Constructor | Description
    --- | ---
    `CompressedSizeInfo​(List<CompressedSizeInfoColGroup> compressionInfo)` |