2017
DOI: 10.1111/biom.12698
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Incorporating Covariates Into Integrated Factor Analysis of Multi-View Data

Abstract: In modern biomedical research, it is ubiquitous to have multiple data sets measured on the same set of samples from different views (i.e., multi-view data). For example, in genetic studies, multiple genomic data sets at different molecular levels or from different cell types are measured for a common set of individuals to investigate genetic regulation. Integration and reduction of multi-view data have the potential to leverage information in different data sets, and to reduce the magnitude and complexity of d… Show more

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Cited by 32 publications
(29 citation statements)
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“…The performance of the proposed method depends heavily on the choice of tuning parameters. In the literature, there are several approaches to select ranks in the context of vertical integration, including permutation testing (Lock et al ., ), BIC (O'Connell and Lock, ), and cross‐validation (Li and Jung, ). In our context, the issue of rank selection is analogous to selecting the tuning parameters λij.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…The performance of the proposed method depends heavily on the choice of tuning parameters. In the literature, there are several approaches to select ranks in the context of vertical integration, including permutation testing (Lock et al ., ), BIC (O'Connell and Lock, ), and cross‐validation (Li and Jung, ). In our context, the issue of rank selection is analogous to selecting the tuning parameters λij.…”
Section: Methodsmentioning
confidence: 99%
“…In the context of vertical integration, the joint and individual scores boldV and Vi have been applied to risk prediction (Kaplan and Lock, ) and clustering (Hellton and Thoresen, ) for high‐dimensional data. Several related techniques, such as AJIVE (Feng et al ., ) and SLIDE (Gaynanova and Li, ), have been proposed (Zhou et al ., ), as well as extensions that allow the adjustment of covariates (Li and Jung, ) or accommodate heterogeneity in the distributional assumptions for different sources (Li and Gaynanova, ; Zhu et al ., ).…”
Section: Introductionmentioning
confidence: 99%
“…This approach aims to reduce the dimensions of image data in a biologically meaningful way, increasing the statistical power and offering comprehensive results about the brain structure (Faria, Liang, Miller, & Mori, 2017; Miller et al, 2013; Mori, Oishi, Faria, & Miller, 2013). We combined this approach with supervised integrated factor analysis (SIFA) (Li & Jung, 2017) to examine multiple MRI features (volume, DTI indices, rs‐fMRI) in the whole brain of FEP participants. We also accessed whether this multimodal approach would be efficient on classification of participants in subgroups of individuals with schizophrenia and schizoaffective disorder (S‐FEP) and individuals with bipolar disorder and major depressive disorder with psychotic features (M‐FEP).…”
Section: Introductionmentioning
confidence: 99%
“…Some extensions of PCA and factor models that incorporate structures in the data (Jenatton et al, 2010;Allen et al, 2014;Lock et al, 2013;Li and Jung, 2017) have a potential to be cast into a GEP, by e.g. formulating the B matrix according to the structure given a priori.…”
Section: S11 Linear Dimension Reductionmentioning
confidence: 99%