| Class | Description |
|---|---|
| DenseMatrixFactory | |
| MatrixFactoryUtils | |
| SparseMatrix | Sparse Matrix representation for XGBoost CSR: long[] rowHeaders = new long[] {0, 2, 4, 7}; // offsets float[] data = new float[] {1f,2f, 4f,3f, 3f,1f,2f}; // non-zeros across each row int[] colIndex = new int[] {0, 2, 0, 3, 0, 1, 2}; // col index for each non-zero |
| SparseMatrixDimensions | Dimensions of a Sparse Matrix |
| SparseMatrixFactory |
