Dimension Reduction by Spatial Components Analysis Improves Pattern Detection in Multivariate Spatial Data
bioRxiv (Cold Spring Harbor Laboratory)(2023)
摘要
We introduce a multivariate statistical approach for pattern recognition in spatial transcriptomics data. Our algorithm (SPACO) constructs a low-dimensional projection of the data maximising Moran’s I, which mitigates non-spatial variation and outperforms PCA for pre-processing. Our method also provides a calibrated, powerful test of spatial gene expression that excels in robustness and specificity.
### Competing Interest Statement
The authors have declared no competing interest.
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关键词
spatial components analysis,pattern detection,dimension
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