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Student Information
In
the 1990s the average number of graduates per year was 7. Currently,
there are approximately 80 students in the department working towards a degree
either part-time or full-time, and approximately 60% of these
are doctoral students. The Department of Biostatistics attempts
to maintain a balance between statistical theory and their application
to real-world problems. An important part of the training of students
is their interaction with faculty on research projects. Research
training is often facilitated by a Graduate Student Research award
(GSR) where a student while working for a degree works on a research
project with a faculty member 20 hours a week. For working on
the GSR the student receives a stipend, health coverage and a
tuition waiver. There are approximately 30 students on GSR's in
the Department of Biostatistics.
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Student Professional
Development
In addition to formal coursework there are a variety of activities
that contribute to the student's professional development. These
include experiences gained as a graduate student researcher, experience
gained in the biostatistical consulting service, opportunities to
collaborate with researchers in other disciplines, opportunities
to travel and present at professional meetings and exposure to faculty
and students in other statistical programs.
Considerable experience is gained by students as a Graduate Student
Researcher (GSR). In addition to providing financial support and
a tuition waiver for their coursework, a GSR provides the opportunity
for students to collaborate with investigators in other research
disciplines. During the past year the general areas of collaboration
in which the GSR worked included cancer (5), occupational and environmental
health (3), radiology (2), epidemiology (4), nursing (1), psychiatry
(2), genetics (2), childhood disease (3), behavioral and social
science (3), and transplant surgery (1).
GSR's work under faculty direction for 20 hours/week and sometimes
make sufficient contributions to a project that they are included
as co-authors on research publications. A partial list of recent
collaborative publications in which GSR's have been included as
co-authors is at the end of this section. Note that this list does
not include the publications related to a student's dissertation.
Students are also encouraged to develop the skills necessary for
effective oral presentation. Students have the opportunity to present
in research working groups, department and school-wide seminars,
and at professional meetings. Informal working groups are formed
between students and interested faculty where current literature
on selected topics is reviewed and potential methodological research
topics are explored. Although these are generally informal and within
small working groups, students often present for further discussion
current papers from statistical journals.
Students have the opportunity for more formal presentations in a
variety of settings. Each year the Dean sponsors a school-wide event
where students present their research (both Master's and Doctoral).
Both poster and oral presentations are given. From the group of
presenters students are selected to present their findings at the
annual meetings of the American Public Health Association. Additional
presentations by students have been given at Pennsylvania Public
Health Association Meetings, the Annual Meetings of Controlled Clinical
Trials, and the Annual Banquet of the local chapter of the American
Statistical Association.
Advanced doctoral students have the opportunity to present their
research on the development of statistical methodology at the Eastern
North American Region Meetings of the Biometrics Society (ENAR).
The week before the meetings a Departmental Seminar is given where
all students presenting at ENAR give a seminar to Biostatistics
Faculty and students. A partial list of recent student presentations
is given at the end of this section.
Additional opportunities for professional development are provided
by the Seminar Series, conducted by the Department of Biostatistics.
Seminar speakers include presenters from Pittsburgh as well as statisticians
from other universities. A partial list of seminar speakers the
last two years is given in the Course
Offering section under BIOST 2025: Biostatistics Seminar under
seminars.
In addition, the statistics departments at Carnegie Mellon University
and University of Pittsburgh Faculty of Arts and Sciences have seminar
series that students can attend.
The annual meeting of the Pittsburgh Chapter of the American Statistician
Association provides additional opportunities for interaction between
faculty and students from different academic statistical programs
in Pittsburgh as well as statisticians from local industry. Each
year the local chapter gives a "Student of the Year Award"
to the outstanding student from each of the three local academic
programs.
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Selected List of Student Publications with Collaborators from
Other Departments
(Excludes Publications
Related to Thesis)
Crago EA, Kerr ME, Kong Y, Baldisseri M, Horowitz M, Yonas H, Kassam A (2004). The Impact of Cardiac Complications on Outcome in the SAH population. Acta Neurol Scand, 110: 248-253, 2004.
Fagiolini A, Kupfer DJ, Rucci, Scott JA, Novick D & Frank E (2004). Suicide attempts and ideation in patients with Bipolar I Disorder. Jounal of Clinical Psychiatry, 65:509-514.
Daviss WB & Scott J (2004). A chart review of Cyproheptadine for stimulant-induced weight loss. Journal of Child and Adolescent Psychopharmacology, 14:65-74.
Swartz HA, Frank E, Shear MK, Thase ME, Fleming MD & Scott J (2004). Brief interpersonal psychotherapy for depression in women: A pilot study. Psychiatric Services: 55:448-450.
Dignam J, Ye
Y, Colangelo L, Smith R, Mamounas E, Wieand S, Wolmark N (2003).
Prognosis after rectal cancer in Blacks and Whites participating
in adjuvant therapy randomized trials. Journal of Clinical Oncology,
21:413-420.
Ebied OM, Federle
MP, Carr BI, Pealer KM, Li W, Amesur N, Zajko A (2003). Evaluation
of responses to chemoembolization in patients with unresectable
hepatocellular carinoma. Cancer, 97(4):1042-50.
Blachar A, Federle
MP, Ferris JV, Lacomis JM, Waltz JS, Armfield DR, Chu G, Almusa
O, Grazioli L, Balzano E, Li W (2003). Radiologists' performance
in the diagnosis of liver tumors with central scars by using specific
CT criteria. Radiology, 223(2):532-9.
Li W, Arena
VC, Sussman NB, Mazumdar S (2003). Model validation software for
classification models using repeated partitioning: MVREP. Comput
Methods Programs Biomed, 72(1):81-87.
Sussman NB, Arena
VC, Yu S, Mazumdar S, Thampatty BP (2003). Decision Tree
SAR Models for Developmental Toxicity Based on an FDA/TERIS Database.
SAR QSAR Environ Res., 14(2):83-96.
Marsh GM, Stone
RA, Esmen NA, Gula MJ, Gause CK, Peterson NJ, Meaney FJ,
Rodney S, Prybylski D (1998). A case-control study of lung cancer
mortality in four rural Arizona smelter towns. Arch Environ Health,
53(1):15-28.
Jovanovic Z,
Lin CJ, Chang CC (accepted). Uninsured vs Insured Population: Variations
Among Nonelderly Americans. Journal of Health & Social Policy.
Kastango KB,
Kim Y, Dew MA, Mazumdar S, Mulsant BH, Rosen J, Reynolds CF, Pilkonis
PA, and Pollock BG (2002). Verification of Scale Sub-Domains in
Elderly Patients with Dementia: A Confirmatory Factor Analytic Approach.
American Journal of Geriatric Psychiatry, 10(6):706-14.
Blachar A, Federle
MP, Li W, et al (in press). Radiologist Performance in the
Diagnosis of Internal Hernia Using Specific CT Findings. Radiology.
Campbell WL, Peterson
MS, Federle MP, Li W, et al (in press). CT and Cholangiography
in the Diagnosis of Biliary Tract Carcinoma Complicating Primary
Sclerosing Cholangitis. American Journal of Roentgenology.
Blachar A, Federle
MP, Ferris JV, Li W, et al (2002). Radiologists' Performance
in the Diagnosis of Liver Tumors with Central Scar Using Specific
CT Criteria. Radiology, 223(2):532-9.
Stone R.A., Youk
A.O., Marsh G.M., Buchanich J.M., McHenry M.B., and
Smith T.J. (2001). Historical Cohort Study of U.S. Man-Made Vitreous
Fiber Workers VII: Quantitative Exposure-Response Analysis of the
Nested Case-Control Study of Respiratory System Cancer. Journal
of Occupational and Environment Medicine, 43(9):779-92.
Liu KS,
Mazumdar S, Stone RA, Dew MA, Houck PR and Reynolds CF (2001). Accounting
for covariate measurement error in a Cox model analysis of recurrence
depression. Journal of Psychiatric Research, 35(3):177-85.
Tan-Chiu E, Costantino
JP, Wang J, Paik S, Butch C, Wickerham DL, Wolmark N, Fisher
B (2003). The effect of Tamoxifen on Benign Breast Disease in Women
at High Risk for Breast Cancer: Findings From the National Surgical
Adjuvant Breast and Bowel Project's Breast Cancer Prevention Trial
(BCPT). New England Journal in Medicine, 95(4):302-7.
Wolmark N, Wang
J, Mamounas E, Bryant J, Fisher B (2001). Preoperative chemotherapy
in patients with operable berast cancer: Nine-year results from
NSABP B-18. J Natl Cancer Ins., (30):96-102.
Blachar A, Federle
MP, Brancatelli G, Peterson MS, Oliver JH 3rd, Li W (2001).
Radiologist performance in the diagnosis of internal hernia by using
specific CT findings with emphasis on transmesenteric hernia. Radiology,
221(2):422-8.
Campbell WL, Peterson
MS, Federle MP, Siqueira ES, Slivka A, Grazioli L, Ichikawa T, Oliver
JH 3rd, Kim T, Li W (2001). Using CT and cholangiography
to diagnose biliary tract carcinoma complicating primary sclerosing
cholangitis. American Journal of Roentgenology, 177(5):1095-100.
Rockette HE, Li
W, Brown ML, Britton CA, Towers JT, Gur D (2001). Statistical
test to assess rank order imaging studies, in press, Academic
Radiology, 8(1):24-30.
Holbert JM, Costello
P, Li W, Hoffman RM, Rogers RM (2001).CT Features of Pulmonary
Alveolar Proteinosis. American Journal of Roentgenology,
176:1287-1294.
Reis S, Costantino
J, Wickerham L, Tan-Chiu E, Wang J, Kavanah M (2001). Lack
of Cardiovascular Disease Risk Reduction from Tamoxifen Therapy:
Results from the Breast Cancer Prevention Trial. Journal of National
Cancer Institute, 93(1):16-21.
Klem ML, Wing RR,
Lang W, McGuire MT, Hill JO (2000). Does weight loss maintenance
become easier over time? Obesity Research, 8(6):438-44.
Klem ML, Wing RR,
Chang CC, Lang W, McGuire MT, Sugerman HJ, Hutchison SL,
Makovich AL, Hill JO (2000). A case-control study of successful
maintenance of a substantial weight loss: individuals who lost weight
through surgery versus those who lost weight through non-surgical
means. International Journal of Obesity & Related Metabolic
Disorders, 24(5):573-9.
Rosen J, Bobys
PD, Mazumdar S, Mulsant BH, Sweet RA, Yu K, Kollar M,
and Pollock BG (1999). OBRA regulations and neuroleptic use: defining
agitation using the Pittsburgh Agitation Scale and the Neurobehavioral
Rating Scale. Annals of Long-term Care, 7(12) 429-436.
Salamone LM, Cauley
JA, Black DM, Simkin-Silverman L, Lang W, Gregg E, Palermo
L, Epstein RS, Kuller LH, Wing R (1999). Effect of a lifestyle intervention
on bone mineral density in premenopausal women: a randomized trial.
American Journal of Clinical Nutrition, 70(1):97-103.
Williams KV, Mullen
M, Lang W, Considine RV, Wing RR (1999). Weight loss and
leptin changes in individuals with type 2 diabetes. Obesity Research,
7(2): 155-63.
McGuire MT, Wing
RR, Klem ML, Lang W, Hill JO (1999). What predicts weight
regain in a group of successful weight losers? Journal of Consulting
& Clinical Psychology, 67(2):177-85.
Mazumdar S, Liu
KS, Ahnn S, Houck PR, and Reynolds CF (1999). Transition (Markov)
models for the analysis of survival times in clinical psychiatric
research. Communications in Statistics-Simulations, 28(1),
165-176.
Mazumdar S, Liu
K, Houck PR, and Reynolds CF (1999). Intent-to-treat analysis
for longitudinal clinical trials: coping with the challenge of missing
values. Journal of Psychiatric Research, 33, 87-95.
Mazumdar S, Xu
Y, Mattison DR, Sussman N, and Arena VC (1999). Reproductive
Risk Assessment with Longitudinal data. The Journal of Applied
Statistical Sciences IV 59-75.
Mazumdar S, Begley
A, Houck PR Yang Y, Reynolds CF and Kupfer DJ. Residual Analysis
in Random Regression using SAS and S-PLUS (1999). Computer Methods
and Programs in Biomedicine 58 , 281-282.
Jakicic JM, Wing
RR, Lang W (1998). Bioelectrical impedance analysis to assess
body composition in obese adult women: the effect of ethnicity.
International Journal of Obesity & Related Metabolic Disorders,
22(3):243-9.
Wing RR, Venditt
E, Jakicic JM, Polley BA, Lang W (1998). Lifestyle intervention
in overweight individuals with a family history of diabetes. Diabetes
Care, 21(3):350-9.
Dignam JJ,
Redmond CK, Fisher B, Costantino JP, Edwards BK (1997). Prognosis
among black women and white women with node-negative breast cancer:
Findings from two randomized clinical trials of the National Surgical
Adjuvant Breast and Bowel Project. Cancer, 80:80-90.
Stone RA, Marsh
GM, Gula MJ, Gause CK, Esmen NA (1997). Quantifying individual-level
lifetime residential exposure to smelter emissions in four Arizona
copper smelter communities: missing data issues. Proceedings of
the 2nd International Congress on Hazardous Waste: Impact
on Human and Ecological Health, pp. 201-214.
Fine MJ, Medsger
AR, Stone RA, Marrie TJ, Coley CM, Singer DE, Akkad H, Hough LJ,
Lang W, Ricci E, Polenik DM, Kapoor WN (1997). The hospital
discharge decision in patients with community-acquired pneumonia:
results from the pneumonia PORT cohort study. Arch Int Med,
157:47-56.
Mulsant BH, Mazumdar
S, Pollock BG, Sweet RA, Rosen J and Lo K (1997). Methodological
issues in characterizing treatment response in demented patients
with behavioral disturbances. International Journal of Geriatric
Psychiatry, 12:537-547.
Sweet RA, Pollock
BG, Mulsant BH, Rosen J, Lo KH, Yao JK, Henteleff RA, and
Mazumdar S (1997). Association of Plasma Homovanillate with Behavioral
Symptoms in Patients Diagnosed with Dementia. Biological Psychiatry,
42:1016-1023.
Fisher B, Dignam
JJ, Mamounas EP, Costantino JP, et al (1996). Sequential methotrexate
and 5-fluorouracil in the treatment of node-negative breast cancer
patients with estrogen receptor negative tumors. Journal of Clinical
Oncology, 14: 1982-1992.
Wing RR, Sinha
MK, Considine RV, Lang W, Caro JF (1996). Relationship between
weight loss maintenance and changes in serum leptin levels. Hormone
& Metabolic Research, 28(12):698-703.
Marsh GM, Stone
RA, Esmen NA, Henderson VL, Lee KY (1996). Mortality among
chemical workers in a factory where formaldehyde was used. Occup
Env Med, 53: 613-627.
Stone RA, Marsh
GM, Gula MJ, Esmen NA, Gause CK (1995). Quantifying individual-level
lifetime residential exposure to SO2 emissions in the
Gila River Basin, Arizona, copper smelter communities. Epidemiology,
6: S44.
Stone RA, Marsh
GM, Youk AO, Enterline PE (1995). Modeling the combined effects
of arsenic exposure and cigarette smoking on respiratory cancer
risk for copper smelter workers: methodological issues. Epidemiology,
6: S114.
Brown AE, Vahey
MT, Zhou SYJ, Chung RCY, Ruiz NM, Hofheinz D, Lane JR, Mayers
DL and the RV43 Study Group (1995). Quantitative relationship of
serum P24 antigen with plasma HIV RNA and P24 antibody in HIV-infected
subjects on antiretroviral therapy. The Journal of Infectious
Diseases, 172: 1091-1095.
Nozza RJ, Bluestone
CD, Kardatzke D, Bachman R (1994). Identification of middle
ear effusion by aural acoustic admittance and otoscopy. Ear &
Hearing, 15 (4): 310-23.
Stone RA, Marsh
GM, Henderson VL, Owens AD, Smith TJ, Quinn MM (1994). Statistical
power to detect occupationally-related respiratory cancer risk in
a cohort of female employees in the U.S. man-made vitreous fiber
industry. J Occup Med, 36: 899-901.
Fine MJ, Smith
MA, Carson CA, Meffe F, Sankey SS, Weissfeld LA, Detsky AS,
Kapoor WN (1994). Efficacy of pneumococcal vaccination in adults.
A meta-analysis of randomized controlled trials. Archives of
Internal Medicine, 154 (23): 2666-77.
Mandel EM, Kardatzke
D, Bluestone CD, Rockette HE (1993). A comparative evaluation
of cefaclor and amoxicillin in the treatment of acute otitis media.
Pediatric Infectious Disease Journal, 12 (9): 726-32.
Galai N, Munoz
A, Carey VJ, Chen K, Chmeil J and Zhou SYJ (1993). Tracking
of markers and onset of disease among HIV-1seroconverters. Statistics
in Medicine, 12 (22).
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Selected List of Student Presentations
Joint Statistical Meetings, August 2008
ENAR Meetings, March 2008
Joint Statistical Meetings, August 2007
ENAR Meetings, March 2007
Joint Statistical Meetings, August 2006
ENAR Meetings, March 2006
Joint Statistical Meetings, August 2005
ENAR Meetings, March 2005
Joint Statistical Meetings, August 2004
ENAR Meetings, March 2004
Society for Critical Care Medicine, February 2004
Joint Statistical Meetings, August
2003
ENAR Meetings, March 2003
International Conference on Recent Trends
in Probabilitiy and Statistics, January 2003
25th Annual San Antonio Breast Cancer Symposium, December 2002
Joint Statistical Meetings, August 2002
ENAR Meetings, March 2002
Joint Statistical Meetings, August 2001
ENAR Meetings, March 2001
Society for Clinical Trials Meetings, May 2001
Joint Statistical Meetings, August 2000
ENAR Meetings, March 2000
Joint Statistical Meetings, August 1999
ENAR Meetings, March 1999
Joint Statistical Meetings, August 1998
ENAR Meetings, April 1998
Joint Statistical Meetings held in Denver, Colorado, August 2008
What’s the Best Statistics for a Simple Test of Genetic Association in a Case-Control Study? Chia-Ling Kuo and Eleanor Feingold. The Joint Statistical Meetings, Denver, Colorado, August 2008.
Pattern Mixture Models Incorporating Reasons for Dropout. Sachiko Miyahara, M Lotz and G Tang. The Joint Statistical Meetings, Denver, Colorado, August 2008.
Modeling of Longitudinal Biomarker Data with Dropout and Death Using a Weighted Pseudo-Maximum Likelihood Method. M. Abdus Sattar, Lisa Weissfeld and Gina D'Angelo. The Joint Statistical Meetings, Denver, Colorado, August 2008.
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ENAR Meetings held in Austin, Texas, March 2008
Considering P-Value Dependence in a Stepwise Multiplicity Adjustment Method. Richard Blakesley, Sati Mazumdar, and Patricia Houck. The International Biometric Society, Eastern North American Region, Arlington, Virginia, March 2008.
A Generalized Growth Mixture Modeling Approach to Predict Institutionalization of People with Alzheimer’s Disease (AD) from Anxiety and Depression Trajectories of Caregivers. Song Zhang, SM Mazumdar, S Belle, and Schulz. The International Biometric Society, Eastern North American Region, Arlington, Virginia, March 2008.
Statistical Assessment of Medication Adherence Data:
A Technique to Analyze the J-Shaped Curve. Jeffrey Rohay, Pinney Assoc, G Marsh, S Anderson, V Arena, A Youk and Dunbar-Jacob. The International Biometric Society, Eastern North American Region, Arlington, Virginia, March 2008.
A Generalized Nonparametric Approach of
Comparing FROC Systems. Tao Song A Bandos, H Rockette and D Gur. The International Biometric Society, Eastern North American Region, Arlington, Virginia, March 2008.
Nonparametric Meta-analysis for Identifying Signature Genes in the Integration of Multiple Genomic Studies. Jia Lia, George Tseng. The International Biometric Society, Eastern North American Region, Arlington, Virginia, March 2008.
Inferring the True Correlation in Cross-species Microarray Data. Sunghee Oh, George Tseng. The International Biometric Society, Eastern North American Region, Arlington, Virginia, March 2008.
Carrying Prediction Models Across Microarray Data Sets Generated by Different Labs and Different Platforms. Chunrong Cheng, George Tseng. The International Biometric Society, Eastern North American Region, Arlington, Virginia, March 2008.
Correlation Coefficient from Data with Missing Covariates: Method Comparison. Dana Tudorascu and Lisa Weissfeld. The International Biometric Society, Eastern North American Region, Arlington, Virginia, March 2008.
Classification Trees for Survival Data with
Competing Risks. Fiona Callaghan and Chang. The International Biometric Society, Eastern North American Region, Arlington, Virginia, March 2008.
A New Distribution for Cumulative Incidence
Functions. Sarah Haile and Jong-Hyeon Jeong. The International Biometric Society, Eastern North American Region, Arlington, Virginia, March 2008.
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Joint Statistical Meetings held in Salt Lake City, Utah, August 2007
Analysis of Longitudinally Measured, Left-Censored Biomarkers of Severe Sepsis with
Dropout, and Death. M. Abdus Sattar, Lisa Weissfeld. The Joint Statistical Meetings, Salt Lake City, Utah, August 2007.
The Analysis of Questionnaire Submission Rates in Longitudinal HRQOL Assessment. Stephanie Land, Marcie Ritter, Sarah Haile. The Joint Statistical Meetings, Salt Lake City, Utah, August 2007.
Which Missing Value Imputation Method To Use in Expression Profiles: A Comparative Study and Two Selection Schemes. Guy Brock, John Shaffer, Richard Blakesley, Meredith Lotz, George Tseng. The Joint Statistical Meetings, Salt Lake City, Utah, August 2007.
A Longitudinal Mediational Model To Assess the Indirect Effect of Adolescent-Physical Activity in
Young Adult-Physical Activity Between Males and Females. Kang Sun, Vincent Arena. The Joint Statistical Meetings, Salt Lake City, Utah, August 2007.
An Adaptive Bayesian Approach to Incorporating PG Information in Phase I Trials. Meihua Wang and Roger Day. The Joint Statistical Meetings, Salt Lake City, Utah, August 2007.
An Adjusted Cumulative Incidence Function Estimator for Unbalanced Groups. Yongyun Zhao and Chang. The Joint Statistical Meetings, Salt Lake City, Utah, August 2007.
A Supremum Log-Rank Test for Adaptive Two-Stage Treatment Strategies and Corresponding
Sample Size Formula. Wentao Feng and Abdus Wahed. The Joint Statistical Meetings, Salt Lake City, Utah, August 2007.
The Impact of Imbalance in Two-level Logistic
Models. Huanyu Chen and Roslyn Stone. The Joint Statistical Meetings, Salt Lake City, Utah, August 2007.
An Index of Local Sensitivity to Nonignorability Under Pseudo-Likelihood. Fang Zhu and Gong Tang. The Joint Statistical Meetings, Salt Lake City, Utah, August 2007.
ENAR Meetings held in Atlanta, Georgia, March 2007
Bayesian Approach for Analyzing Cluster Randomized Trial and Adjusting for Misclassification in
GLMM. Dianxu Ren. The International Biometric Society, Eastern North American Region, Atlanta, Georgia, March 2007.
Smarter Clustering Methods for High-throughput SNP Genotype Calling. Yan Lin, G Tseng, Bean, Sherman, E Feingold. The International Biometric Society, Eastern North American Region, Atlanta, Georgia, March 2007.
Testing the Mediating Effect in Mediational Models with Multiple Outcomes. Kang Sun, S Mazumdar, Thompson, P Houck. The International Biometric Society, Eastern North American Region, Atlanta, Georgia, March 2007.
A Supremum Log-Rank Test for Adaptive Two-Stage Treatment Strategies and Corresponding
Sample Size Formula. Wentao Fang and Abus Wahed. The International Biometric Society, Eastern North American Region, Atlanta, Georgia, March 2007.
Joint Statistical Meetings, Seattle, Washington, August 2006
Sample Size and Power Calculation with
Generalized Mixed Effects Model. Qianyu Dang, S Mazumdar. The Joint Statistical Meetings, Seattle, Washington, August 2006.
Assessing Rater Exchangeability and Identifying an Atypical Rater Using a Log-Linear Modeling
Approach. Kari Kastango, Roslyn Stone. The Joint Statistical Meetings, Seattle, Washington, August 2006.
Applications of Copulas To Improve Covariance Estimation for PLS. Gina D'Angelo, L Weissfeld, Ziolko, Mathis, Klunk, DeKosky, Price. The Joint Statistical Meetings, Seattle, Washington, August 2006.
Evaluation of Spatial Normalization Parameters
for SPM: Application to Type 2 Diabetes Data. Bedda Rosario, Ziolko, L Weissfeld, Price. The Joint Statistical Meetings, Seattle, Washington, August 2006.
GEE Models for Longitudinal Analysis of Long-Term
Occupational Radiation Exposures in Russian Nuclear
Workers. Adina Soaita, Youk, Richard Day, Azizova Wald, Kuniak, Slaughter, Carol
Redmond. The Joint Statistical Meetings, Seattle, Washington, August 2006.
An Adaptive Bayesian Approach to Jointly Modeling Response and Toxicity in Phase I Dose
Finding Trials. Meihua Wang and Roger Day. The Joint Statistical Meetings, Seattle, Washington, August 2006.
Space Time Analyses of Adverse Pregnancy Outcomes in Allegheny County, Pennsylvania. M. Abdus Sattar. The Joint Statistical Meetings, Seattle, Washington, August 2006.
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ENAR Meetings held in Tampa, Florida, March 2006
Components of the Bootstrap-Variance of the Area under the ROC Curve. Andriy Bandos; Howard E. Rockette; David Gur. ENAR Biometrics Society Meeting, Tampa, Florida, March 2006.
An Extension of Latent Variable Model for Informative Intermittent Missing Data.Li Qin; Lisa A. Weissfeld; Melissa Kalarchian;
Marsha Marcus. ENAR Biometrics Society Meeting, Tampa, Florida, March 2006.
Multiple Imputation in Survival Analysis with
Incomplete Covariates. Jia Li, Stewart Anderson. ENAR Biometrics Society Meeting, Tampa, Florida, March 2006.
An Extension of Latent Variable Model for Informative Intermittent Missing Data. Li Qin, L Weissfeld, Kalarchian, Marcus. ENAR Biometrics Society Meeting, Tampa, Florida, March 2006.
Semiparametric Survival Models with Censored
Covariates. Gina D'Angelo, Lisa Weissfeld. ENAR Biometrics Society Meeting, Tampa, Florida, March 2006.
Assessing the Effectiveness of Potential Longitudinal Biomarkers in Multivariate Survival Analysis. Feng-shou Ko and Stewart Anderson. ENAR Biometrics Society Meeting, Tampa, Florida, March 2006.
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Joint Statistical Meetings held in Minneapolis, MN, August 2005
Likelihood-based Approach for Left-censored Covariates. Gina D'Angelo and Lisa Weissfeld. Joint Statistical Meeting, Minneapolis , MN , August 2005.
ENAR Meetings held in Austin, Texas, March 2005
Estimating Equation Approach for Truncated Covariates. Gina D'Angelo , Lisa Weissfeld. ENAR Biometrics Society Meeting, Austin, Texas, March 2005.
A Latent Class Model for Longitudinal Binary Reponse Data with Nonignorable Missingness. Li Qin , Changyu Shen, Lisa Weissfeld. ENAR Biometrics Society Meeting, Austin, Texas, March 2005.
A Permutation Test Sensitive to Differences in Areas to Comparing ROC Curves from a Paired Design. Andriy Bandos , Howard Rockette, and David Gur. ENAR Biometrics Society Meeting, Austin, Texas, March 2005.
Using Trajectories from a Bivariate Growth Curve of Covariates in a Cox Model Analysis. Qianyu Dang , Sati Mazumdar, and Stewart Anderson. ENAR Biometrics Society Meeting, Austin, Texas, March 2005.
A Bayesian Adjustment of Covariate Missclassification with Correlated Binary Outcome Data. Dianx Ren and Roslyn Stone. ENAR Biometrics Society Meeting, Austin, Texas, March 2005.
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Joint Statistical Meetings held in Toronto, Ontario, Canada, August 2004
A Decision-tree-model Based on ROC Analysis Predicting Progression of Type I Diabetes Mellitus. Shui Yu*, Sati Mazumdar, Nancy B. Sussman, Vincent C. Arena, and Dorothy J. Becker. Joint Statistical Meeting, Toronto, Ontario, Canada, August 2004.
The Partial Regression Approach to Fit GAMs in Air Pollution Research. Shui He*, Sati Mazumdar, and Vincent C. Arena. Joint Statistical Meeting, Toronto, Ontario, Canada, August 2004.
A Novel Approach of Estimation for Additive Rate Regression Models with Parametric Underlying Failure-time Distributions. M. Brent McHenry*, Stuart R. Lipsitz, and Debajyoti Sinha. Joint Statistical Meeting, Toronto, Ontario, Canada, August 2004.
ENAR Meetings held in Pittsburgh, Pennsylvania, March 2004
Extreme Sibling Pair Designs for Quantitative Trait Locus Mapping. Jin P. Szatkiewicz*, and Eleanor Feingold. ENAR Biometrics Society Meeting, Pittsburgh, Pennsylvania, March 2004.
Semiparametric Maximum Likelihood for Missing Covariates in Parametric Regression. Zhiwei Zhang*, and Howard E. Rockette. ENAR Biometrics Society Meeting, Pittsburgh, Pennsylvania, March 2004.
A Comparative Study of the Use of GAM and GLM in Air Pollution Research. Shui He*, Sati Mazumdar, and Vincent C. Arena. ENAR Biometrics Society Meeting, Pittsburgh, Pennsylvania, March 2004.
Modeling Unequally Spaced Bivariate Growth Curve with a Kalman Filter Approach. Qianyu Dang*, Stewart J. Anderson, and Sati Mazumdar. ENAR Biometrics Society Meeting, Pittsburgh, Pennsylvania, March 2004.
Parametric Estimation for Additive Rate Regression Models. M. Brent McHenry*, Stuart R. Lipsitz. ENAR Biometrics Society Meeting, Pittsburgh, Pennsylvania, March 2004.
Modeling of Recurrent Event Survival Data Based on Extensions of the Andersen-Gill Model. Zekarias Berhane*, and Lisa A. Weissfeld. ENAR Biometrics Society Meeting, Pittsburgh, Pennsylvania, March 2004.
Estimation of Parameters for Binary Outcome Data in the Presence of Missing Covariate Information. Gina M. D'Angelo*, and Lisa Weissfeld. ENAR Biometrics Society Meeting, Pittsburgh, Pennsylvania, March 2004.
Society of Critical Care Medicine 33rd International Educational & Scientific Symposium, orlando, Florida, February 2004
Relationship Between Aneurysm Site and Outcomes Following Subarachnoid Hemorrhage. Crago EA, Kong Y*, and Kerr ME. Society of Critical Care Medicine 33rd International Educational & Scientific Symposium, Orlando, Florida 2004.
Joint Statistical Meetings held in San Francisco,
California, August 2003
A Modified Estimator
for the Cumulative Covariate Effect in Aalen's Additive Risk Model.
Michael McHenry*, Chung-Chou Chang, Stewart Anderson, Howard
Rockette, Lisa Weissfeld, Mark Roberts. Joint Statistical Meeting,
San Francisco, California, August 2003.
An Empirical Bayesian Method for Oligonucelotide Microarray Data. Yan Lin*, Eleanor Feingold and Lisa Weissfeld. Joint Statistical Meeting, San Francisco, California, August 2003.
Mapping genes for quantitative traits using discordant sibling pairs - new statistics and new possibilities. Jin Peng Szatkiewicz *, Eleanor Feingold. Joint Statistical Meeting, San Francisco, California, August 2003. ENAR Meetings held in Tampa, Florida, March 2003
Model Assessment
and Outlier Detection for a Pseudospline-based Survival Model. Zekarias
Berhane*, Joyce Chang, and Lisa Weissfeld. ENAR Biometrics Society
Meeting, Tampa, Florida, March 2003.
Estimation of Parameterse
for Bivariate Survival Data in the Presence of Missing Covariate
Data. Gina M. D'Angelo* and Lisa Weissfeld. ENAR Biometrics
Society Meeting, Tampa, Florida, March 2003.
Modeling Excess
Zeros in Ordinal Data. Mary E. Kelley* and Stewart Anderson.
ENAR Biometrics Society Meeting, Tampa, Florida, March 2003.
A Generalized Imputation
Method Based on Propensity Score. Hsiao-Lan Wei* and Howard
Rockette. ENAR Biometrics Society Meeting, Tampa, Florida, March
2003.
International Conference on Recent Trends in Probablity and Statistics: Theory and Applications and Rockefeller Foundation-Funded Dissemination Seminar on Fertility, January 2003
A Resampling Approach
for Adjustment in Prediction Models for Covariate Measurement Error.
Mazumdar S, Li Wei*, Arena VC, Sussman NB. International
Conference on Recent Trends in Probablity and Statistics: Theory
and Applications and Rockefeller Foundation-Funded Dissemination
Seminar on Fertility, Gauhati University, Guwahati, Assam, India
January 2003.
25th Annual San Antonio Breast Cancer Symposium,
December 2002
Benign Breast Disease
and the Risk of Subsequent Invasive Cancer: Findings from the National
Surgical Adjuvant Breast and Bowel Project's Breast Cancer Trial.
Wang J*, Costantino JP, Tan-Chiu E, Wickerham DL, Wolmark N.
25th Annual San Antonio Breast Cancer Symposium, December 2002.
Joint Statistical Meetings held in New York, New York, August 2002
Temporal spatial pattern extraction in PET data using partial lease squares. Lei Xu*, Mazumdar S, Price. Joint Statistical Meeting, New York, New York, August 2002.
Nonparametric tree-structured modeling for interval-censored survival data . Yanming Yin *, Stewart Anderson. Joint Statistical Meeting, New York, New York, August 2002.
ENAR Meetings held in Arlington, Virginia, March
2002
Flexible Modeling
of Recursive Multiple Event Survival Dataset Analogous to Anderson
and Gill. Zekarias Berhane* and Lisa Weissfeld. ENAR Biometrics
Society Meeting, Arlington, Virginia, March 2002.
A Comparison of
Test Statistics for Cox's Proportional Hazards Assumption. Rana
Z. Ezzeddine* and Lisa Weissfeld. ENAR Biometrics Society Meeting,
Arlington, Virginia, March 2002.
Estimation of Covariate
Effects in Aalen's Additive Risk Model Using Smoothing Splines.
Michael Brent McHenry*, Stewart J. Anderson, Chung-Chou H.
Chang, and Lisa Weissfeld. ENAR Biometrics Society Meeting, Arlington,
Virginia, March 2002.
Implications of
Loss Functions on Bayesian Evaluation of Multiple Treatment Effects.
Maria K. Mor* and Stewart J. Anderson. ENAR Biometrics Society
Meeting, Arlington, Virginia, March 2002.
Conditional Time
Dependent Receiver Operating Characteristic Curves. Jiping Wang*
and Howard E. Rockette. ENAR Biometrics Society Meeting, Arlington,
Virginia, March 2002.
An Imputation Method
for Intermittently Missing Values. Hsiao-Lan Wei* and Howard
E. Rockette. ENAR Biometrics Society Meeting, Arlington, Virginia,
March 2002.
A Copula-Based
Semiparametric Model for Meta-Analytic Assessment of Surrogate Endpoints.
Zhiwei Zhang* and Lisa A. Weissfeld. ENAR Biometrics Society
Meeting, Arlington, Virginia, March 2002.
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Joint Statistical Meetings, August 2001
Flexible Models for Multiple Time-to-Event Data Using Penalized B-Splines . Zekarias Berhane*, Lisa Weissfeld. Joint Statistical Meeting, August 2001.
Exponential tree-structured modeling fo rinterval-censored survival data. Yanming Yin *, Stewart Anderson. Joint Statistical Meeting, August 2001.
ENAR Meetings held in Charlotte, North Carolina,
March 2001
Validation of Ensemble
Based Prediction Models Using SAS and Winbugs. Wei Li*, Vincent
Arena, Kuo-Szu Chiang. ENAR Biometrics Society Meeting, Charlotte,
North Carolina, March 2001.
SAS Macros for
Re-partitioning Model Validation Methods. Wei Li*, Arena
VC, Chiang KS. ENAR Biometrics Society Meeting, Charlotte, North
Carolina, March 2001.
Resampling Approach for Estimating Prediction Error and for Adjusting Logistic Regression Models for Covariate Measurement Error. Wei Li*, Mazumdar S, Sussman N, Arena VC. ENAR Biometrics Society Meeting, Charlotte, North Carolina, March 2001.
A Comparison of
Nonparametric Methods for Assessing Treatment Effect in a Two-way
Crossed Classification. Zhiwei Zhang*, Howard E. Rockette.
ENAR Biometrics Society Meeting, Charlotte, North Carolina, March
2001.
Using Propensity
Scores to Estimate Missing Data in Clinical Trials of Otitis Media.
Hsiao-Lan Wei*, Howard E. Rockette. ENAR Biometrics Society
Meeting, Charlotte, North Carolina, March 2001.
Accounting for
Correlation Between Replicates of a Covariate Measured with Error
in the Cox Model. Kenneth Liu*, Sati Mazumdar, Roslyn A.
Stone, and Charles F. Reynolds III. ENAR Biometrics Society Meeting,
Charlotte, North Carolina, March 2001.
Regression Diagnostics
Using the Martingale Residuals for the Additive Hazards Model. Zekarias
Berhane*, Lisa A. Weissfeld. ENAR Biometrics Society Meeting,
Charlotte, North Carolina, March 2001.
Estimation of the
Survival Function for Gray's Piecewise-Constant Time-Varying Coefficients
Model. Zdenek Valenta*, Lisa A. Weissfeld. ENAR Biometrics
Society Meeting, Charlotte, North Carolina, March 2001.
Society for Clinical Trials Meetings held in Denver,
Colorado,
May 2001
Is Tumor Response
A Good Marker Of Treatment Efficacy? RZ Ezzeddine*, SJ Anderson,
R Smith and A Brown. Society for Clinical Trials 22nd Annual Meeting,
Denver, Colorado, May 2001.
Joint Statistical Meetings held in Indianapolis, Indiana, August
2000
A Method for Combining
Covariate Data Obtained by Multiple Sampling Schemes. Christine
Gause*, Roslyn Stone, Gary Marsh, Joseph Costantino, Sati Mazumdar,
Evelyn Talbot. Joint Statistical Meeting, Indianapolis, Indiana,
August 2000.
Structure-Activity
Relationship Models: Using the Results of Model Ensembles. Kuo-Szu
Chiang*, Nancy B. Sussman, Sati Mazumdar, Vincent C. Arena.
Joint Statistical Meeting, Indianapolis, Indiana, August 2000.
A Comparison of
Models for the Analysis of Depression Remission Data. Sati Mazumdar,
Zekarias Berhane*, Lisa A. Weissfeld, Charles Reynolds. Joint
Statistical Meeting, Indianapolis, Indiana, August 2000.
A Copula-Based
Parametric Model for the Analysis of Repeated Measures Data. Wei
Lang*, Lisa A. Weissfeld. Joint Statistical Meeting, Indianapolis,
Indiana, August 2000.
ENAR Meetings held in Chicago, Illinois, March
2000
Modeling missing
data in repeated measures using a copula-based approach. Wei
Lang* and Lisa A. Weissfeld. International Biometrics Society,
Eastern North American Region, Chicago, Illinois, March 2000.
Estimating Parameters
in Cox Models with Mixed-Type Covariates. Kenneth Liu*, Sati
Mazumdar, and Charles F. Reynolds III. International Biometrics
Society, Eastern North American Region, Chicago, Illinois, March
2000.
Estimating Tetrad
Crossover Frequency Distribution From Recombination Data. Kai
Yu* and Eleanor Feingold. International Biometrics Society,
Eastern North American Region, Chicago, Illinois, March 2000.
Spatio-Temporal
Hierarchical Models for Analyzing China IDDM Incidence Rates. Kuo-Szu
Chiang*, Vincent C. Arena and Sati Mazumdar. International Biometrics
Society, Eastern North American Region, Chicago, Illinois, March
2000.
Estimation of the
Survival Function Based on the Additive Ingenuity Model. Zekarias
Berhane* and Lisa Weissfeld. International Biometrics Society,
Eastern North American Region, Chicago, Illinois, March 2000.
Estimation of the
Survival Function for Gray's Piecewise Constant Time Varying Coefficients
Model. Zdenek Valenta* and Lisa Weissfeld. International
Biometrics Society, Eastern North American Region, Chicago, Illinois,
March 2000.
Joint Statistical Meetings held in Baltimore, Maryland,
August 1999
Use of Area Under
the ROC Curve as a Method of Predicting Patient Outcome. Jiping
Wang* and Howard Rockette. Joint Statistical Meeting, Baltimore,
Maryland, August 1999 (proceeding published).
Goodness of Fit Analysis for the General Hazard Regression Models. Chung-Chou Chang* and Lisa Weissfeld. Joint Statistical Meeting, Baltimore, Maryland, August 1999.
Application of
Copula to Repeated Measures Data. Wei Lang* and Lisa Weissfeld.
Joint Statistical Meeting, Baltimore, Maryland, August 1999.
Recursive Martingale
Residuals for Cox's Proportional Hazards Model. Chung-Chou Chang*
and Lisa Weissfeld. Joint Statistical Meeting, Baltimore, Maryland,
August 1999.
Markov Chain Models
on Multivariate Repeated Categorical Data Analysis. Wei Tian*
and Stewart Anderson. International Biometrics Society, Eastern
North American Region, Atlanta, Georgia, March 1999.
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ENAR Meetings held in Atlanta, Georgia, March 1999
Applications of
Copulas to Repeated Measures Data. Wei Lang* and Lisa A.
Weissfeld. International Biometrics Society, Eastern North American
Region, Atlanta, Georgia, March 1999.
Comparison of Two
Distributions in the Presence of Length Bias. Kyunghee K. Song*
and Lisa A. Weissfeld. International Biometrics Society, Eastern
North American Region, Atlanta, Georgia, March 1999.
Methods for analyzing distributions of crossover events during meiosis. K. Yu* and Eleanor Feingold. International Biometrics Society, Eastern North American Region, Atlanta, Georgia, March 1999.
Joint Statistical Meetings held in Dallas, Texas,
August 1998
Recursive Martingale
Residuals for Cox's Proportional Hazards Model. Chung Chou Chang*
and Lisa Weissfeld. Joint Statistical Meeting, Dallas, Texas 1998.
ENAR Meetings held in Pittsburgh, Pennsylvania,
April 1998
Analysis of Repeated
Toxicity Data in a Clinical Trial. Wei Tian* and Stewart
Anderson. Eastern Northern American Region (ENAR) Biometrics Meeting,
Pittsburgh, Pennsylvania, April 1998.
Identification
of Disease Risk Factors with Neural Networks. Douglas Landsittel*
and Vincent C. Arena. Eastern North American Region (ENAR) Biometrics
Meeting, Pittsburgh, Pennsylvania, April 1998.
Sample Size Determination
for Comparing More Than Two Treatment Groups Using Cluster Randomization.
Fei-Na Chen*, Lisa Weissfeld and Sang Ahnn*. Eastern
North American Region (ENAR) Biometrics Meeting, Pittsburgh, Pennsylvania,
April 1998.
Performance of
Nonparametric Maximum Likelihood Estimates in a Length Biased Sample.
Kyunghee Song* and Lisa Weissfeld. Eastern North American
Region (ENAR) Biometrics Meeting, Pittsburgh, Pennsylvania, April
1998.
Copula Based Bivariate
Poisson Modeling. Wei Lang* and Lisa Weissfeld. Eastern North
American Region (ENAR) Biometrics Meeting, Pittsburgh, Pennsylvania,
April 1998.
Improved Martingale
Residuals for Cox's Proportional Hazard's Model. Chung-Chou Ho*
and Lisa Weissfeld. Eastern North American Region (ENAR) Biometrics
Meeting, Pittsburgh, Pennsylvania, April 1998.
* student presenter.
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