| Modifier and Type | Method and Description | 
|---|---|
| static AColGroup | ColGroupFactory. compress(int[] colIndexes,
        int rlen,
        ABitmap ubm,
        AColGroup.CompressionType compType,
        CompressionSettings cs,
        MatrixBlock rawMatrixBlock,
        double tupleSparsity)Method for compressing an ColGroup. | 
| Modifier and Type | Method and Description | 
|---|---|
| static ADictionary | DictionaryFactory. create(ABitmap ubm) | 
| static ADictionary | DictionaryFactory. create(ABitmap ubm,
      double sparsity) | 
| static ADictionary | DictionaryFactory. create(ABitmap ubm,
      double sparsity,
      boolean withZeroTuple) | 
| static ADictionary | DictionaryFactory. createWithAppendedZeroTuple(ABitmap ubm) | 
| static ADictionary | DictionaryFactory. createWithAppendedZeroTuple(ABitmap ubm,
                           double sparsity) | 
| static ADictionary | DictionaryFactory. moveFrequentToLastDictionaryEntry(ADictionary dict,
                                 ABitmap ubm,
                                 int nRow,
                                 int largestIndex) | 
| Modifier and Type | Method and Description | 
|---|---|
| static AMapToData | MapToFactory. create(ABitmap map) | 
| static AMapToData | MapToFactory. create(int size,
      ABitmap map) | 
| Modifier and Type | Method and Description | 
|---|---|
| EstimationFactors | CompressedSizeEstimator. estimateCompressedColGroupSize(ABitmap ubm,
                              int[] colIndexes)Method used to extract the CompressedSizeEstimationFactors from an constructed UncompressedBitmap. | 
| static EstimationFactors | CompressedSizeEstimator. estimateCompressedColGroupSize(ABitmap ubm,
                              int[] colIndexes,
                              int nrRows,
                              CompressionSettings cs) | 
| Constructor and Description | 
|---|
| CompressedSizeInfoColGroup(EstimationFactors facts,
                          Set<AColGroup.CompressionType> validCompressionTypes,
                          ABitmap map)Main Constructor for accurate estimates. | 
| Modifier and Type | Method and Description | 
|---|---|
| static ABitmap | BitmapEncoder. extractBitmap(int[] colIndices,
             int rows,
             BitSet rawBlock,
             CompressionSettings compSettings) | 
| static ABitmap | BitmapEncoder. extractBitmap(int[] colIndices,
             MatrixBlock rawBlock,
             boolean transposed)Generate uncompressed bitmaps for a set of columns in an uncompressed matrix block. | 
| static ABitmap | BitmapLossyEncoder. makeBitmapLossy(ABitmap ubm,
               int numRows)Given a Bitmap try to make a lossy version of the same bitmap. | 
| Modifier and Type | Method and Description | 
|---|---|
| static ABitmap | BitmapLossyEncoder. makeBitmapLossy(ABitmap ubm,
               int numRows)Given a Bitmap try to make a lossy version of the same bitmap. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | BitmapUncompressed representation of one or more columns in bitmap format. | 
| class  | BitmapLossyUncompressed but Quantized representation of contained data. | 
| class  | MultiColBitmapUncompressed representation of one or more columns in bitmap format. | 
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