pcaSupplementaryRowsPreProcessing function

Preprocessing for supplemental rows in PCA.

pcaSupplementaryRowsPreProcessing(SUP.DATA = NULL, center = TRUE, scale = TRUE, W = NULL)

Arguments

• SUP.DATA: A supplemental matrix that has the same number of columns as an active data set.
• center: The center from the active data. NULL will center SUP.DATA to itself.
• scale: The scale factor from the active data. NULL will scale (z-score) SUP.DATA to itself.
• W: Weights from the active data. Used in epGPCA.

Returns

a matrix that has been preprocessed to project supplementary rows for PCA methods.

Author(s)

Derek Beaton