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Table 9 Optimal λ comparison in projection method with considered kernels in leukemia data

From: Optimal projection method determination by Logdet Divergence and perturbed von-Neumann Divergence

   α=1,β=2 α=1,β=3 α=2,β=3 Cosine
q=1 (λ opt,AUCopt) (47.3,0.9418) (47.3,0.9377) (46.7,0.9365) (10,0.9469)
  (λ opt1,AUCopt1) (26.8,0.9419) (26.8,0.9377) (27.8,0.9367) (16.6,0.9472)
q=2 (λ opt,AUCopt) (28.3,0.9551) ((28.3,0.9551) (22.8,0.9582) (7.4,0.9541)
  (λ opt1,AUCopt1) (35.9,0.9550) (35.9,0.9551) (29.3,0.9582) (24.7,0.9555)
q=3 (λ opt,AUCopt) (46.5,0.9512) (46.5,0.9540) (47,0.9500) (5.42,0.9573)
  (λ opt1,AUCopt1) (87.8,0.9512) (87.8,0.9551) (88.8,0.9500) (23.1,0.9593)
q=4 (λ opt,AUCopt) (1,0.9427) (1,0.9416) (1,0.9405) (3.06,0.9485)
  (λ opt1,AUCopt1) (1,0.9427) (1,0.9416) (1,0.9405) (18.6,0.9522)
q=5 (λ opt,AUCopt) (1,0.9352) (1,0.9362) (1,0.9363) (2.33,0.9175)
  (λ opt1,AUCopt1) (1,0.9352) (1,0.9362) (1,0.9363) (11.08,0.9259)
q=6 (λ opt,AUCopt) (1,0.9310) (1,0.9319) (1,0.9311) (2.39,0.9333)
  (λ opt1,AUCopt1) (1,0.9310) (1,0.9319) (1,0.9311) (7.74,0.9337)
q=7 (λ opt,AUCopt) (100,0.9201) (100,0.9236) (1,0.9212) (2.56,0.8993)
  (λ opt1,AUCopt1) (100,0.9201) (100,0.9236) (1,0.9212) (5.03,0.8921)
q=8 (λ opt,AUCopt) (100,0.9035) (100,0.9096) (100,0.9059) (2.67,0.8795)
  (λ opt1,AUCopt1) (100,0.9035) (100,0.9096) (100,0.9059) (3.56,0.8845)
q=9 (λ opt,AUCopt) (1,0.8936) (1,0.8915) (1,0.8899) (2.98,0.8734)
  (λ opt1,AUCopt1) (1,0.8936) (1,0.8915) (1,0.8899) (3.72,0.8735)
  1. The boldface represents best performance detected for projection methods with different optimal λ, and no marks are made if two methods show comparable performance