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Table 3 Comparison of community-within difference (Δw) and community-between difference (Δb)

From: Detecting drug communities and predicting comprehensive drug–drug interactions via balance regularized semi-nonnegative matrix factorization

Semi-NMF C1 C2 C3
C1 0.3588 2.2338 1.4717
C2 2.2338 3.5961 − 0.6434
C3 1.4717 − 0.6434 3.3763
BRSNMF C1 C2 C3
C1 3.2832 − 0.1795 0.7275
C2 − 0.1795 − 2.1615 − 0.2624
C3 0.7275 − 0.2624 2.2520
  1. Italic values indicate community-within difference while regular values indicate community-between difference