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. 2019 Jul 3;13:642. doi: 10.3389/fnins.2019.00642

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Copyright © 2019 Yang, Zhuang, Bird, Sreenivasan, Mishra, Banks, Cordes and the Alzheimer's Disease Neuroimaging Initiative.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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The distribution of p-values for group discrimination with the number of principal components ranging from 4 to 20. VBM dataset has more significant p-value than ECM dataset. The sPCA+CCA method has more significant group discrimination than PCA+CCA and parallel ICA.