Developed to perform the estimation and inference for regression coefficient parameters in longitudinal marginal models using the method of quadratic inference functions. Like generalized estimating equations, this method is also a quasilikelihood inference method. It has been showed that the method gives consistent estimators of the regression coefficients even if the correlation structure is misspecified, and it is more efficient than GEE when the correlation structure is misspecified. Based on Qu, A., Lindsay, B.G. and Li, B. (2000) <doi:10.1093/biomet/87.4.823>.
Package details 


Author  Zhichang Jiang [aut], Peter Song [aut], Michael Kleinsasser [cre] 
Maintainer  Michael Kleinsasser <[email protected]> 
License  GPL2 
Version  1.5 
Package repository  View on CRAN 
Installation 
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