Comparison of 9 aspect ratio selection methods for 2D Contours

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The vowel data set studied in Hastie, Tibshirani and Friedman (2001). Link
AL MS AS AWO AO
vowel
α = 1.022

α = 1.02

α = 0.3448

α = 0.996

α = 1.0176

L1-LOR LOR GOR RV
α = 0.9884

α = 0.041

α = 1.0117

α = 0.9574