Description Usage Arguments Value References See Also Examples
Cholesky factorization of a crossproduct matrix via blockwise orthogonal transformation.
1 | qrBlockApply(x, y = NULL, blockSize = NULL)
|
x |
A numeric matrix or |
y |
An optional numeric vector or 1 column |
blockSize |
This is used for setting the block size for sequential access.
The default is determined by methods from class |
A list with the following elements:
R |
Upper triangular Cholesky factor of |
Qty |
The corresponding transformation of |
C. Fraley and T. Hesterberg (2007), "Least-Angle Regression for Large Datasets", Technical Report, Insightful Corporation.
1 2 3 4 5 6 7 |
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