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Fig. 4 | Journal of Orthopaedic Surgery and Research

Fig. 4

From: Development and validation of a nomogram predicting the risk of recurrent lumbar disk herniation within 6 months after percutaneous endoscopic lumbar discectomy

Fig. 4

The least absolute shrinkage and selection operator (LASSO) method of selecting risk factors. (a) The 26 feature LASSO coefficient profiles plot was produced against the log (lambda) sequence. (b) Using cross-validation via minimum criteria in the LASSO model, dotted vertical lines were drawn at the optimal values (4 factors)

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X