Publications of Qiqing Yu
Research Articles:
Accepted

Consistency of the Semiparametric MLE under the Cox model
with linearly timedependent covariates and intervalcensored data.
Journal of Advanced Statistics
(Yu, Q.Q. and Diao, Q.G.)

Consistency of the MMGLE under The Piecewise
Hazards Models with intervalcensored data.
Journal of Nonparametric Statistics
(Yu, Q.Q. and Diao, Q.G.)
2019

Marginal Distribution Test for Checking Proportional Hazards Model
Assumption
Journal of Statistical Planning and Inference
201 5870.
(Dong, J.Y. and Yu, Q.Q)
2018

The Proportional Hazards Model
with linearly timedependent covariates and intervalcensored data.
Journal of Advanced Statistics
Vol. 3, No. 4, 5870.
http://oaji.net/articles/2017/33611541648598.pdf
(Yu, Q.Q. and Diao, Q.G.)

Piecewise Proportional Hazards Models With IntervalCensored Data
{Journal of Statistical Computation and Simulation} 88 140155.
(Yu, Q.Q. and Diao, Q.G.)
2017

Marginal Distribution Plots for Proportional
Hazards Models With Timedependent Covariates or Timevarying Regression
Coefficients.
{Open Journal of Statistics} 7 92111.
(Yu, Q.Q., Dong, J.Y. and Wong, G.Y.C.)

The Piecewise Cox Model with RightCensored Data.
{Comm. Statist.  Comput. Simul. } 46 78947908.
(Wong, G.Y.C., Osborne, M.P.,
Diao, Q.G. and Yu, Q.Q.)
2016

Asymptotic Normality Of The ProductLimitEstimator
Under Dependent Right Censoring
{J. Nonparametr. Statist.}, 4 802812.
(Yu, Q.Q. and Hsu, Y.T.)

A consistent NPMLE
of the joint distribution function with
competing risks data under the dependent rightcensoring
and masking model.
{ Lifetime Data Analysis} 22 6399.
(Li, J.H. and Yu, Q.Q.)

Equivalence between the dependent right censorship model
and the independent right censorship model.
{ Open Journal of Statistics} 209219.
(Yu, Q.Q. and Yu, K.)
2015

Generation of Pseudo Random Numbers and Estimation
Under Cox Models With Timedependent Covariates.
{Journal of Statistical Computation and Simulation} (to appear).
(Yu, Q.Q. and Dong, J.Y.)

The Lehmann Model
With Timedependent Covariates.
{ Comm. Statist. ATheory methods} 20 43804395.
(Yu, Q.Q., Wong, G.Y.C., Osborne, M.P., Hsu, Y.T.
and Ai, X.S.)
2014

A necessary and suficient condition for justifying nonparametric
likelihood with censored data.
Metrika 8
9951011.
(Yu, Q.Q., Hsu, Y.T. and Yu, K.)
2012

Asymptotic Properties Of The ProductLimitEstimator
With Dependent Right Censoring
{International Journal of Statistics and Management Systems }
7 84104.
(Yu, Q.Q., Ai, X.S. and Yu, K.)

The NPMLE Of The Joint Distribution Function
With RightCensored And Masked Competing Risks Data.
{\it J. Nonparametr. Statist.}
24 753764.
(with Li, J.H.)

Estimation under the Lehmann regression model with intervalcensored data.
{\it Comm. Statist.  Comput. Simul. }
41 14891500.
(with Wong, G.Y.C )

The Random Partition Masking Model For IntervalCensored And Masked
Competing Risks Data.
Journal of Statistical Computation and Simulation
82 9811002.
(with Wang, J.P. and Wong, G.Y.C.)

Consistency Of The Generalized MLE With Interval Censored And Masked
Competing Risks Data.
(with Wong, J.P.)
Comm. Statist. ATheory methods
41 43604377.

Random Partition Masking Model For Censored And Masked Competing Risks Data.
(with Wong, G.Y.C., Qin, H. and Wang, J.P.)
Ann. Inst. Statist. Math. 64 1 6985.
2011

Identifiability And Consistency In Masking Models
For Competing Risks Data.
(with Jiahui Li)
International Journal of Statistics and Management Systems
6 85105

Is each NPMLE of a continuous bivariate disbtribution function with
singly rightcensored data really inconsistent ?
(with
Chingfu Sen,
Jinlong Huang and Chinsan Lee)
Comm. Statist. ATheory methods 5 844862.
2010

The GMLE based BuckleyJames estimator with modified case cohort data.
(with Chen, C.X. and Wong, G.Y.C.)
Metrika 72 3 433464

About The Conditional Masking Probability Models.
(with Jiaping Wang and Hao Qin).
Statistics and Probability Letters
80 11741179.
2009

An algorithm for BuckleyJames estimator with intervalcensored
data.
(with Wong, G.Y.C.)
J. Stat. Comput. Simul.
Volume: 79 Issue: 11 Pages: 13411353
2008

A generalized logrank test for intervalcensored failure time data
via multiple imputation. (with J.L. Huang, C.S. Lee)
Statistics in Medicine. 32173226

Relationship between the Cox, Lehmann, Weibull and
Accelerated lifetime models
(with R. Chappell, G.Y.C Wong, Y.T. Hsu, M. Mazur)
Comm. Statist. ATheory methods 37 14581470
2007

Estimation with modified case cohort data under linear regression models.
(with M.G. Yu)
Journal of Applied Probability and Statistics, 4970

BuckleyJamestype estimators under the classical case cohort design.
(with G.Y.C. Wong and M.G. Yu)
Ann. Inst. Statist. Math. 59 675695.

Asymptotic distributions of the BuckleyJames estimator under nonstandard
conditions. (With FH Kong).
Statistica Sinica, Vol 17 341360

A bivariate interval censorship model for partnership formation.
(With L.Y. Wong).
Journal of Multivariate Analysis
Vol. 98 2 370383.
2006

A note on the proportional hazard s
model with discrete data.
Statistics and Probability Letters
77 735739

BuckleyJamestype estimators in classical casecohort studies.
(with M.G. Yu)
International Journal of Statistics and Management Systems
82103.

Consistency of the semiparametric MLE in linear regression models
with intervalcensored data.
(With G.Y.C. Wong and F.H. Kong).
Scan. J. Statist. 33 367378.

Consistency of the generalized MLE with multivariate mixed case
intervalcensored data.
(With Yu, S.H. and G.Y.C. Wong).
Journal of Multivariate Analysis 97 720732
2005

Unbiasedness of the TheilSen estimator. (With Wang, X.Q.).
Journal of Nonparametric Statistics 685695

A modified semiparametric MLE in linear regression analysis with
complete data or rightcensored data.
(With G.Y.C. Wong).
Technometrics 47 3442
2004

A sufficient condition for admissibility of
the Wilcoxon test in the classical twosample problem.
Statistics, 38 295306
2003

The semiparametric MLE in linear regression with rightcensored data.
(With G.Y.C. Wong).
Journal of Statistical computation and simulation, 73 833848.

Asymptotic properties of the generalized semiparametric MLE in linear regression.
(With G.Y.C. Wong).
Statistica Sinica 13 311326

Semiparametric MLE in simple linear regression
with intervalcensored data.
(With G.Y.C. Wong).
Communications in StatisticsSimulation and Computation
32 147164.
2002

How to find all BuckleyJames estimates instead of just one ?
(With G.Y.C. Wong).
Journal of Statistical computation and simulation.
72, 451460.

A minimum distance estimation approach to the twosample locationscale
problem.
(With Z.Y. Zhang).
Lifetime Data Analysis. 8, 289305.

Asymptotic properties of a
modified semiparametric MLE in linear regression analysis with
rightcensored data.
(With G.Y.C. Wong).
Acta Mathematica Sinica
18 405416.
2001

Asymptotic properties of the GMLE of selfconsistent estimators with
doublycensored data. (With L. Li)
Acta Math. Sinica . 17, 581594.

Asymptotic properties of selfconsistent estimators with mixed
intervalcensored data. (With G.Y.C. Wong and L. Li)
Ann. Inst. Statist. Math. . 53, 469486.
2000

Estimation of a joint dictribution fucntion with multivariate
intervalcensored data when the nonparametric MLE is not unique.
(With G.Y.C. Wong and Q.M. He)
Biometrical Journal. 42, 747763.

Inadmissibility and admissibility of randomized
Wilcoxon tests in discrete twosample problems.
Statistics & Decisions. 18, 3548.

Consistency of the GMLE with mixed case intervalcensored data.
(With A. Schick)
Scan. J. of Statist. Vol. 27. 4555.

On consistency of
the selfconsistent estimator of survival functions with interval
censored data.
(With L. Li and G.Y.C. Wong)
Scan. J.
of Statist. Vol. 27, 3544.
1999

Generalized MLE Of a joint distribution function with multivariate
intervalcensored data. (With G.Y.C. Wong). {J. of Multi. Anal.}
J. of Multi. Anal. 69, 155166.
1998

Asymptotic properties of the GMLE in the case 1 intervalcensorship model
with discrete inspection times.
(With A. Schick, L. Li and G. Y. C. Wong).
Canadian Journal of Statistics Vol. 26, No. 4, 619627.

Asymptotic variance of the GMLE
of a survival function with intervalcensored data.
(With L. Li and G.Y.C. Wong) Sankhya,. 60, 184197.

Asymptotic properties of the GMLE with case 2 intervalcensored data.
(With A. Schick, L. Li and G. Y. C. Wong).
Statistics & Probability Letters, 223228. .

Admissibility of the best invariant estimators of a discrete
distribution function.
Statistica Sinica, 8. 377392.

Consistency of selfconsistent estimators of a discrete distribution
function with bivariate rightcensored data.
(With G.Y.C. Wong).
Commun. Statist. 27, 14611476.
1997

An EM algorithm for smoothing the selfconsistent estimator
of survival functions with intervalcensored data.
(With L. Li and T. Watkins)
Scan. J.
of Statist. 24, 531542
 Selfconsistent estimators of survival functions with
doublycensored data.
(With L. Li).
Commun. Statist., 26092623

Comparing estimates of the effects of air pollution on human
mortality
obtained using different regression methodologies.
(With
L. A. Baxter, S. J. Finch and W. L. Fredrick)
Risk analysis
1996

Analysis and prediction of hydrogen bonding of proteinDNA complexes
on parallel processors. (With G. Campbell, Y. Deng, J. Glimm, Y.
Wang, M. Eisenberg and A. Grollman.)
J. of Comput. Chem., 17. 17121725.
1995

On minimax estimation of a survival function under the right
censorship model. (With E. G. Phadia)
Statistics & Decisions, 14, 7396.

An analogy between nonparametric problems of estimating a distribution
function and their parametric versions. (With L. Kuo)
Sankhya A., 57. 472485.

Admissibility and minimaxity of the UMVU estimator of P(X is less than Y).
(With Z. Govindarajulu)
Annals of Satistics 23. 598607.
1994

On the strong consistency of the product limit estimator. (With L.
Li)
Sankhya A., 56. 416430.
1993

Admissibility
of the best invariant estimator of a distribution function under
the KolmogorovSmirnov Loss. (With E. G. Phadia)
Commun. Statist., 22(8). 21032124.

Global minimization for problems with multiple local minima.
(With Y. Deng, J. Glimm and M. Eisenberg)
Appl. Math. Let., 6, No. 2. 8990.

Admissibility of the empirical distribution function
in discrete nonparametric invariant problems.
Statistics & Probability Letters, 18. 337343.
1992

Genomic mapping by single copy
landmark detection: a predictive model with a discrete
mathematical approach. (With T. Marr and X. Yan)
Mammalian Genome, 3. 644649.

Minimaxity
of the best invariant estimator of a distribution function under
the KolmogorovSmirnov Loss. (With E. G. Phadia)
Annals of Statistics, 20, 21922195.

Minimaxity of the empirical distribution
function in discrete invariant estimation of a distribution
function.
Statistics & Decisions, 10. 2538.

A General method
of finding a minimax estimator
of a distribution function when no equalizer rule is available.
Canadian Journal of Statistics 20, No. 3. 281290.

Minimax invariant estimator of a
continuous distribution function.
Ann. Inst. Statist. Math. 44, 729735.

Inadmissibility of the best invariant estimator
of a distribution function. Sankhya A., 54. 7479.
1991

Minimaxity and admissibility of the product
limit estimator. (Wtih E. G. Phadia) Ann. Inst. Statist.
Math. 43, No. 3. 579596.

Minimaxity of the empirical
distribution function in invariant estimation. (With M. S. Chow)
Ann. Statist. 19, 935951.
1990

Admissibility of linear estimators in the fisheries census.
Metrika 37, 245252.
1989

Methodology for the invariant estimation of
a continuous distribution function.
Ann. Inst. Statist.
Math. 41, 503520.

Admissibility of the best invariant estimator
of a distribution function. Statistics & Decisions
7, 114.

Admissibility of the empirical distribution
function in the invariant problem.
Statistics $\&$ Decisions 7, 4. 383398.

Inadmissibility of the empirical distribution
function in continuous invariant problems.
Ann. Statist. 17, 13471359.
Last updated 6/6/02