Description Usage Arguments Details
View source: R/orthonormalise-unorthonormalise.R
Orthogonalise Grouped Columns of X
1 | orthogonalise(X, index)
|
X |
matrix of coefficients (rows: coefs, cols: penalisations) |
index |
grouping |
For columns with index == 0, do nothing. For each group of columns defined by index == j, transform the matrix such that t(Z)
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