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Table 2 Optimal clustering result for each number of the proxy variables used

From: Identification of significant proxy variable for the physiological status affecting salt stress-induced lipid accumulation in Chlorella sorokiniana HS1

Number of proxy variablea Selected variable Number of cluster Silhouette score
3 CW, CH, FV 3 0.251
2 CH, FV 3 0.274
1 CH 3 0.358
  1. CW cell weight, L total lipid content, CH Chl a, FV Fv/Fm
  2. aData were centered and scaled before modeling