We propose a penalized likelihood method that simultaneously fits the multinomial logistic regression model and combines subsets of the response categories. The penalty is nondifferentiable when pairs
Not willing to pay was used as the reference category. Pseudo R2 = 0.118 (Cox and Snell), 0.134 (Nagelkerke). Model Chi Squared (df = 4) = 17.008, p = 0.02.
Chylothorax is associated with more aggressive lymph node management during lung cancer resection, particularly with complete and systematic lymph node dissection. It leads to significant postoperativ
OR = odds ratio;*Data on HIV testing was available for 1818 participants, plus additional missing values for “feels at-risk for HIV” (9).**The final multivariate logistic model includes all variables
