Description Usage Arguments Value Examples
View source: R/orthogonalize.R
Orthogonalize the Design Matrix with Specified Group Structure
1 | orthogonalize(X, group)
|
X |
The design matrix to be orthogonalized. |
group |
The group structure based on which X is orthogonalized. For example, assume that X has 4 columns and group=c(1,1,2,2). It means the first 2 features form a group of variables and the last 2 features form another group of variables. |
The orthogonalized design. Assume that X_g denotes columns corresponding to the g-th group, then t(X_g)
1 2 3 |
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