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  "Description": "Implements the Segment Profile Extraction via Pattern\nAnalysis method for row-mean-centered multivariate data. Core\ncapabilities include SVD-based row-isometric biplot\nconstruction, bias-corrected and accelerated, and percentile\nbootstrap confidence intervals for domain coordinates and\nper-person direction cosines, Procrustes alignment of bootstrap\nreplicates across planes, parallel analysis for dimensionality\nselection, and segment profile reconstruction in planes defined\nby pairs of singular dimensions. A synthetic Woodcock-Johnson\nIV look-alike dataset is provided for examples and testing. The\nmethod is described in Kim and Grochowalski (2019)\n<doi:10.1007/s00357-018-9277-7>.",
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