My first 100 Tb of data. STATISTICAL METHODS FOR NEW TECHNOLOGY WORKING GROUP. Ciprian M. Crainiceanu Johns Hopkins University http://www.biostat.jhsph.edu/smnt. Members of the group. Key personnel C.M. Crainiceanu, B.S. Caffo, A.-M. Staicu, S. Greven, D. Ruppert, C.-Z. Di Senior Students
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My first 100 Tb of data
STATISTICAL METHODS FOR NEW TECHNOLOGY WORKING GROUP
Ciprian M. Crainiceanu
Johns Hopkins University
Greven, Crainiceanu, Caffo, Reich, 2010. LFPCA, EJS, to appear
Goldsmith, Feder, Crainiceanu, Caffo, Reich, 2010. PFR, JCGS, to appear
Goldsmith, Crainiceanu, Caffo, Reich, 2010. LPFR, to appear?
Population Value Decomposition (PVD)
Yi = P ViD + Ei
Singular Value Decomposition (SVD) summarizes variance
Low rank approximation
Stacked across subjects
Projecting original data onto population bases
Caffo BS, Crainiceanu CM, Verduzco G, Joel SE, Mostofsky SH, Bassett SS, Pekar JJ. Two-Stage decompositions for the analysis of functional connectivity for fMRI with application to Alzheimer’s disease risk. NeuroImage (In Press).