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Observational Study
Copyright: ©Author(s) 2026.
World J Gastroenterol. Sep 7, 2026; 32(33): 119646
Published online Sep 7, 2026. doi: 10.3748/wjg.119646
Figure 2
Figure 2 Least absolute shrinkage and selection operator logistic regression for tongue-image feature selection in the training cohort. A: The coefficient path plot; B: Cross-validation curve, show feature shrinkage and selection of the optimal penalty parameter (λmin = 0.0122661; λ 1se = 0.04951844). λ 1se was chosen, yielding seven tongue-image features with non-zero coefficients. LASSO: Least absolute shrinkage and selection operator.


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