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. Author manuscript; available in PMC: 2013 Jun 24.
Published in final edited form as: Ann Appl Stat. 2012;6(3):1236–1255. doi: 10.1214/11-aoas534

Table 1.

Comparison of candidate zero-inflated normal models fitted to the MESA data based on Monte Carlo cross-validation with B = 200 and ν = 0.5. “✓” denotes the proportional constrained smooth component; “×” denotes unconstrained smooth component.

Model Age DBP SBP HDL LDL loglik AUC MSE MSEc
M1 × × × × × −5018.5 0.79 2.59 4.38
M2 ✓ × × × × −5034.9 0.78 2.60 4.42
M3 × × ✓ × × −5022.3 0.79 2.61 4.38
M4 ✓ × ✓ × × −5034.6 0.78 2.60 4.42