| Modifier and Type | Method and Description | 
|---|---|
| static ABitmap | BitmapEncoder. extractBitmap(int[] colIndices,
             MatrixBlock rawBlock,
             CompressionSettings compSettings)Generate uncompressed bitmaps for a set of columns in an uncompressed matrix block. | 
| Modifier and Type | Method and Description | 
|---|---|
| static ColGroup | ColGroupFactory. compress(int[] colIndexes,
        int rlen,
        ABitmap ubm,
        ColGroup.CompressionType compType,
        CompressionSettings cs,
        MatrixBlock rawMatrixBlock)Method for compressing an ColGroup. | 
| Modifier and Type | Method and Description | 
|---|---|
| EstimationFactors | CompressedSizeEstimator. estimateCompressedColGroupSize(ABitmap ubm)Method used to extract the CompressedSizeEstimationFactors from an constructed UncompressedBitmap. | 
| Modifier and Type | Method and Description | 
|---|---|
| static int | HassAndStokes. haasAndStokes(ABitmap ubm,
             int nRows,
             int sampleSize,
             HashMap<Integer,Double> solveCache)Haas, Peter J., and Lynne Stokes. | 
| 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. | 
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