Meiling Hao, Kin‐yat Liu, Wen Su, Xingqiu Zhao

Semiparametric estimation for the functional additive hazards model

  • Statistics, Probability and Uncertainty
  • Statistics and Probability
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AbstractWe propose a new functional additive hazards model to investigate the potential effects of functional and scalar predictors on mortality risks, and develop a penalized least squares estimation method for model parameters based on a pseudoscore estimating equation. A reproducing kernel Hilbert space approach is used to establish the consistency, convergence rate, and joint asymptotic distribution of the resulting estimators for finite‐dimensional and infinite‐dimensional parameters. Our simulation studies demonstrate that the proposed estimation procedure performs well. For illustration, we apply the proposed method to the Medical Information Mart for Intensive Care III dataset.

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