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 |
Bitmap
Uncompressed representation of one or more columns in bitmap format.
|
class |
BitmapLossy
Uncompressed but Quantized representation of contained data.
|
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