Items where Author is "Zhang, W"

Article

Tong, Howell, Sun, Y and Zhang, W (2007) Estimation of the covariance matrix of random effects in longitudinal studies. Annals of Statistics, 35 (6). pp. 2795-2814. ISSN 0090-5364

Tong, Howell, Xia, Y and Zhang, W (2004) Efficient estimation for semivarying-coefficient models. Biometrika, 91 (3). pp. 661-681. ISSN 0006-3444