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- Semiparametric estimation of time-varying intervention effects using recurrent event data. Statistics in Medicine 2017. 36:2682-2696 .
- Correction - Estimation of intervention effects using recurrent event time data in the presence of event dependence and a cured fraction. Statistics in Medicine 2016. 35:2847-2848 .
- Estimation of intervention effect using paired interval-censored data with clumping below lower detection limit. Statistics in Medicine 2015. 34:307-316 .
- Estimation of intervention effects using recurrent event time data in the presence of event dependence and a cured fraction. Statistics in Medicine 2014. 33:2263-2274 .
- Tests for comparing the progression of an epidemic in two groups. Journal of the Indian Statistical Association 2014. 52:177-194 .
- Analysis of clustered grouped survival data with time-varying regression coefficients. Journal of the Indian Statistical Association 2013. 51:137-156 .
- Estimation of summary protective efficacy using a frailty mixture model for recurrent event time dataâ€ˇ. Statistics in Medicine 2012. 31:4023-4039 .
- A Study of Suicide Risk Using a Cox Cure Model via a Retrospective Sampling and Multiple Imputation. Communications in Statistics: Theory and Methods 2012. 41:3389-3402 .
- Estimation and interpretation of incidence rate difference for recurrent events when the estimation model is misspecified. Biometrical Journal 2012. 54:750-765 .
- Analysis of multilevel grouped survival data with time-varying regression coefficients. Statistics in Medicine 2011. 30:250-259 .
- On the Local Polynomial Estimators of the Counting Process Intensity Function and its Derivatives. Scandinavian Journal of Statistics 2011. 38:631-649 .
- A multiple imputation approach for clustered interval-censored survival data. Statistics in Medicine 2010. 29:680-693 .
- Local polynomial estimation of Poisson intensities in the presence of reporting delays. Journal of the Royal Statistical Society: Series C (Applied Statistics) 2008. 57:447-459 .
- Nonparametric Estimation of Multiplicative Counting Process Intensity Functions with an Application to the Beijing SARS Epidemic. Communications in Statistics: Theory and Methods 2008. 37:294-306 .
- A Test for Constant Fatality Rate of an Emerging Epidemic: With Applications to Severe Acute Respiratory Syndrome in Hong Kong and Beijing. Biometrics 2008. 64:869-876 .
- Bivariate Poissonâ€“Poisson model of zero-inflated absenteeism data. Statistics in Medicine 2006. 25:3707-3717 .
- Semiparametric analysis of zero-inflated count data. Biometrics 2006. 62:996-1003 .
- Factor analysis for ranked data with application to a job selection attitude survey. Journal of the Royal Statistical Society: Series A (Statistics in Society) 2005. 168:583-597 .
- A chain multinomial model for estimating the real-time fatality rate of a disease, with an application to severe acute respiratory syndrome. American Journal of Epidemiology 2005. 161:700-706 .
- A semiparametric regression cure model with current status data. Biometrika 2005. 92:573-586 .
- Corrigendum: A comparison study of realtime fatality rates: Severe acute respiratory syndrome in Hong Kong, Singapore, Taiwan, Toronto and Beijing, China. Journal of the Royal Statistical Society: Series A (Statistics in Society) 2005. 168:468-468 .
- A comparison study of realtime fatality rates: Severe acute respiratory syndrome in Hong Kong, Singapore, Taiwan, Toronto and Beijing, China. Journal of the Royal Statistical Society: Series A (Statistics in Society) 2005. 168:233-243 .
- Merits of modelling multivariate survival data using random effects proportional odds model. Biometrical Journal 2004. 46:331-342 .
- REML and ML estimation for clustered grouped survival data. Statistics in Medicine 2003. 22:2025-2034 .
- Use of the sign test for the median in the presence of ties. The American Statistician 2003. 57:237-240 .
- Nonparametric rank tests for independence in opinion surveys. Austrian Journal of Statistics 2002. 31:279-290 .
- Kernel method for the estimation of the distribution function and the mean with auxiliary information in ranked set sampling. Environmetrics 2002. 13:397-406 .
- Modeling multivariate survival data by a semiparametric random effects proportional odds model. Biometrics 2002. 58:316-323 .
- Generalized supremum tests for the equality of cause specific hazard rates. Lifetime Data Analysis 2002. 8:277-288 .
- Marginal likelihood estimation for proportional odds models with right censored data. Lifetime Data Analysis 2001. 7:39-54 .
- Dynamic random effects models for times between repeated events. Lifetime Data Analysis 2001. 7:345-362 .
- Penalized likelihood estimation for clustered grouped survival data. .
- A class of tests for the equality of $k$ cause-specific hazard rates in a competing risks model. Biometrika 1998. 85:179-188 .
- A marginal likelihood approach to estimation in frailty models. Journal of the American Statistical Association 1997. 92:985-990 .
- A nonparametric inference procedure for an illness-death model. Stochastic Analysis and Applications 1997. 15:125-135 .
- A multivariate nonparametric test for the equality of failure rates in a competing risks model. Communications in Statistics: Theory and Methods 1993. 22:3199-3222 .
- Linear goal programming in estimation of classification probability (STMA V34 3976). European Journal of Operational Research 1993. 67:101-110 .
- A class of non-parametric tests for the equality of failure rates in a competing risks model. Communications in Statistics: Theory and Methods 1992. 21:2541-2556 .