Experiments Sensitivity to Parameters Step size and iteration number T Dimensionality of latent space q (X-axis denotes T,y=0.01,0.001) (KPCA is used for initializing LWP) 0.8 0.9 6 04 0.85 AUCO1 -0.2 AU℃001 obj01 -B-LWP-Texas -0.4 obj001 -KPCA-Texs -0.6 e一LP-ecck PCA-Bok -0.8 20 40 60 80 100 Li,Zhang and Yeung (CSE.HKUST) LWP A1 STATS200917/23Experiments Sensitivity to Parameters Step size γ and iteration number T (X-axis denotes T, γ = 0.01, 0.001) 0 20 40 60 80 100 −0.8 −0.6 −0.4 −0.2 0 0.2 0.4 0.6 0.8 1 AUC01 AUC001 obj01 obj001 Dimensionality of latent space q (KPCA is used for initializing LWP) 0 20 40 60 80 100 0.7 0.75 0.8 0.85 0.9 0.95 1 q Average AUC with Standard Deviation LWP−Texas KPCA−Texas LWP−Book KPCA−Book Li, Zhang and Yeung (CSE, HKUST) LWP AISTATS 2009 17 / 23