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Visualization of genes associated with the Alzheimer's disease pathway. Three-dimensional representations of 50 genes, which were obtained from NMF (k = 3) using an initial matrix H built from known genes associated with the Alzheimer's disease pathway. The j-th gene is located at (h1j, h2j, h3j), where H ∈ ℝ3×50 = [hij]. (A red circle: APP; A red circle and blue diamonds: genes associated with the Alzheimer's disease pathway; Black dots: other genes)
