[Retracted] A Nomogram Predicting the Prognosis of Renal Cell Carcinoma Patients with Lung Metastases

Figure 2

Feature selection using a least absolute shrinkage and selection operator (LASSO) regression model. (a) Tuning parameter () selection for the LASSO model involved fivefold cross-validation using the minimal criteria. Dotted vertical lines were drawn at the optimal values; one standard error was added to each criterion to yield the 1-SE criteria. (b) The LASSO coefficients of the 15 features.

(a)

(b)