Rho, Inc., Chapel Hill
Authors apply SIMEX procedure to correct bias in the marginal hazards model
Published in Health Insurance Week, March 6th, 2005
According to scientists writing in the journal Biometrics, "We consider measurement error in covariates in the marginal hazards model for multivariate failure time data. We explore the bias implications of normal additive measurement error without assuming a distribution for the underlying true covariate."
W.F. Greene and J. Cai continued, "To correct measurement-error-induced bias in the regression coefficient of the marginal model, we propose to apply the SIMEX procedure and demonstrate its large and small sample...
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