.computePca | R Documentation |
R %*% t(R)
for a residual matrix
R
Compute the eigendecomposition of R %*% t(R)
for a residual matrix
R
.computePca(rtr, k, y, offset1 = NULL, offset2 = NULL)
rtr |
Cross product of residual matrix
|
k |
Number of principal components to return |
y |
Sparse matrix |
offset1 , offset2 |
Vectors whose product is the difference between
|
List with components:
sdevStandard deviations of principal components
rotationMatrix of variable loadings (i.e., matrix containing the eigenvectors of the covariance/correlation matrix as columns)
xMatrix of rotated data (rotated after applying the transformations specified)
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