Kansas State University

Wei-Wen Hsu's Picture
Department of Statistics
Kansas State University
101 Dickens Hall
Manhattan, KS 66506
785-532-6883

Wei-Wen Hsu

Associate Professor

108C Dickens Hall

785-532-3585

wwhsu@k-state.edu




Research Interests

  - Methodologies

   Two-component Mixture Models, Hypothesis Testing, Empirical Processes, Longitudinal and Correlated Data Analysis

  - Subject Matter Applications

   Dental Caries Research, Cancer Research, Geriatric Research, Environmental Exposure Research, Multiracial Youth mental health research

Consulting Interests


   Zero-Inflated models, Multivariate Data Analysis, Longitudinal and Correlated Data Analysis


Education

  • Ph.D., Statistics, Michigan State University
  • Doctoral Student in Statistics, National Cheng-Chi University, Taiwan
  • M.B.A., Statistics, National Taipei University, Taiwan
  • B.B., Statistics, Tamkang University, Taiwan


Positions

  • Associate Professor, Department of Statistics, Kansas State University (August, 2018 - Present)
  • Assistant Professor, Department of Statistics, Kansas State University (August, 2013 - August, 2018)
  • Postdoctoral Fellow, Department of Epidemiology and Biostatistics, Michigan State University (September, 2011 - June, 2013)
  • Research Assistant, Department of Epidemiology and Biostatistics, Michigan State University (January, 2010 - August, 2011)
  • Research Assistant, University Outreach and Engagement, Michigan State University (October, 2007 - December, 2009)
  • Teaching Assistant, Department of Statistics, National Cheng-Chi University, Taiwan (September, 2005 - June, 2006)
  • Teaching Assistant, Department of Financial Engineering and Actuarial Mathematics, Soochow University, Taiwan (September, 2003 - January, 2005)
  • Assistant Research Fellow, Institute for Public Opinions, Shihhsin University, Taiwan (September, 2002 - July, 2003)


Journal Publications

Methodological

  1. Todem, D., Hsu, W.-W. and Fine, J. (2017). A quasi-score statistic for homogeneity testing against covariate-varying heterogeneity. Scandinavian Journal of Statistics 45(3), 465-481. DOI: 10.1111/sjos.12308. (pdf)
  2. Hsu, W.-W., Todem, D. and Kim, K. (2016). A sup-score test for the cure fraction in mixture models for long-term survivors. Biometrics 72, 1348-1357. (DOI) 10.1111/biom.12514. (pdf)
  3. Todem, D., Kim, K. and Hsu, W.-W. (2016). Marginal mean models for zero-inflated count data. Biometrics 72, 986-994. (DOI) 10.1111/biom.12492. (pdf)
  4. Hsu, W.-W., Todem, D. and Kim, K. (2015). Adjusted Supremum Score-Type Statistics for Evaluating Non-Standard Hypotheses. Scandinavian Journal of Statistics 42, 746–759. (DOI) 10.1111/sjos.12134. (pdf)
  5. Hsu, W.-W., Todem, D., Kim, K. and Sohn, W. (2014). A Wald test for zero inflation and deflation for correlated count data from dental caries research. Statistical Modelling 14(6), 471-488. (DOI) 10.1177/1471082X14535480. (pdf)
  6. Cao, Q., Hsu, W.-W. and Todem, D. (2014). A score-type test for homogeneity in zero-inflated models in a stratified population. Statistics in Medicine 33(12), 2103-2114. (pdf)
  7. Todem, D., Hsu, W.-W. and Kim, K. (2012). On the efficiency of score tests for homogeneity in two-component parametric models for discrete data. Biometrics 68(3), 975-982. (DOI) 10.1111/j.1541-0420.2011.01737.x (pdf)
Collaborative

  1. Lyons, A.C., Huang, Y.-J., Park, S.L., Ayers, V.B., Hettenbach, S.M., Higgs, S., McVey D.S., Noronha, L., Hsu, W.-W., and Vanlandingham, D.L. (2018) Shedding of Japanese Encephalitis Virus in Oral Fluid of Infected Swine. Vector-Borne and Zoonotic Diseases 18(9), 469-474. http://doi.org/10.1089/vbz.2018.2283
  2. Mailey, E.L., Dlugonskib, D., Hsu, W.-W., and Segar M. (2018) Goals Matter: Exercising for well-being but not health or appearance predicts future exercise among parents. Journal of Physical Activity & Health 15(11), 857-865.
  3. Huang, Y.-J., Lyons, AC., Hsu, W.-W., Park, S.L., Higgs, S., Vanlandingham, D.L. (2017) Differential outcomes of Zika virus infection in Aedes aegypti orally challenged with infectious blood meals and infectious protein meals. PLoS ONE. 12(8):e0182386. https://doi.org/10.1371/journal.pone.0182386.(pdf)
  4. Kolt, G.S., George, E.S., Rebar, A.L., Duncan, M.J., Vandelanotte,C., Caperchione, C.M., Maeder, A.J., Tague, R., Savage, T.N., Itallie, A.V., Mawella, N.R., Hsu, W.-W., Mummery, W.K., Rosenkranz R.R. (2017). Associations Between Quality of Life and Duration and Frequency of Physical Activity and Sedentary Behaviour: Baseline findings from the WALK 2.0 randomised controlled trial. PLoS ONE. E 12(6): e0180072. (pdf)
  5. Mailey, E. and Hsu, W.-W. (2017). Is a general or specific exercise recommendation more effective for promoting physical activity among postpartum mothers? Journal of Health Psychology. https://doi.org/10.1177/1359105316687627. (DOI) 10.1177/1359105316687627. (pdf)
  6. Htoo, Z.W., Hsu, W.-W., and Rosenkranz, R. (2016). Systematic review and meta-analysis: Is lifestyle modification effective for glycemic control among adults with type II diabetes in Southeast Asia? Diabetes Research and Clinical Practice 122, 14-153. (DOI) 10.1016/j.diabres.2016.10.008. (pdf)
  7. Huang, Y.-J., Hettenbach, S.M, Harbin, J.N., Park, S.L., Higgs, S., Barrett, A.D.T., Hsu, W.-W., Cohnstaedt, L.W., Vanlandingham, D.L. (2016). Differential Infectivities among Different Japanese Encephalitis Virus Genotypes in Culex quinquefasciatus Mosquitoes. PLOS Neglected Tropical Diseases. 10(10): e0005038. (DOI) 10.1371/journal.pntd.0005038. (pdf)
  8. Han, L., Hsu, W.-W., Todem, D., Osuch, J.R., Hungerink, A., and Karmaus, W. (2016). In utero exposure to polychlorinated biphenyls is associated with decreased fecundability in daughters of Michigan female fisheaters: a cohort study. Environmental Health. 15:92 (DOI) 10.1186/s12940-016-0175-3. (pdf)
  9. Park, SL, Huang, Y.-J., Hsu, W.-W., Hettenbach, S.M., Higgs, S., Vanlandingham, D.L. (2016). Virus-specific thermostability and heat inactivation profiles of alphaviruses. Journal of Virological Methods. 152-5. (DOI) 10.1016/j.jviromet.2016.04.004.(pdf)
  10. Obaro S.K., Daniel Y., Lawson J.O., Hsu W.-W., Dada J., Essen U., Ibrahim K., Akindele A., Brooks K., Olanipekun G., Ajose T., Stewart C.E. and Inusa B.P.D. (2016). Sickle-Cell Disease in Nigerian Children: Parental Knowledge and Laboratory Results. Public Health Genomics 19, 102-107. (DOI) 10.1159/000444475.(pdf)
  11. Zapolski, T., Fisher, S., Hsu, W.-W. and Barnes-Najor, J. (2016). What can parents do? Examining the role of parental support on the negative relationship between racial discrimination, depression, and drug use among African American youth. Clinical Psychological Science 4(4), 718-731. (DOI) 10.1177/2167702616646371.(pdf)
  12. Huang, Y.-J., Hsu, W.-W., Higgs, S. and Vanlandingham, D. (2015). Temperature Tolerance and Inactivation of Chikungunya Virus. Vector-Borne and Zoonotic Diseases. 15(11), 674-677.(pdf)
  13. Wendel, S.O., Menon, S., Alshetaiwi, H., Shrestha, T.B., Chlebanowski, L., Hsu, W.-W., Bossmann, S.H., Narayanan, S., Troyer, D.L. (2015). Cell Based Drug Delivery: Micrococcus luteus loaded Neutrophils as chlorhexidine delivery vehicles in a mouse model of liver abscesses in cattle. PLoS ONE 10(5): e0128144. doi:10.1371/journal.pone.0128144.(pdf)
  14. Fisher, S., Reynolds, J., Hsu, W.-W., Barnes, J. and Tyler, K. (2014). Examining Multiracial Youth in Context: Ethnic Identity Development and Mental Health Outcomes. Journal of Youth and Adolescence 43(10), 1688-1699. (DOI) 10.1007/s10964-014-0163-2.(pdf)
  15. Hsu, W.-W., Osuch, J.R., Todem, D., Taffe, B., O’Keefe, M., Adera, S. and Karmaus, W. (2014). DDE and PCB serum concentration in maternal blood and in adult female offspring. Environmental Research 132, 384-390.(pdf)
  16. Osuch, J.R., Hsu, W.-W., Todem, D., Landgraf J., Mikucki, D., Haan, P.S. and Karmaus, W. (2012). Female reproductive status and circulating blood leukocyte expression of selected metabolic or signaling genes involved in sex. International Journal of Molecular Epidemiology and Genetics 3(2), 134-143.(pdf)

Teaching

    Kansas State University
  • STAT 510: Introductory Probability and Statistics (2014 Spring; 2015 Spring; 2017 Spring)
  • STAT/MPH 701: Fundamental Methods of Biostatistics
       - On Campus: 2013 Fall; 2014 Spring, Fall; 2015 Fall; 2016 Fall; 2017 Fall; 2018 Fall
       - Online: 2015 Spring; 2016 Spring; 2017 Spring; 2018 Spring; 2019 Spring
  • STAT 720: Design Of Experiments (2016 Summer)
  • STAT 771: Theory of Statistics II (2016 Spring; 2018 Spring)
  • STAT 818: Theory of Life-Data Anaylsis (2018 Fall)
  • STAT 950: Regression Analysis for Count Data (2015 Fall)
  • Michigan State Univeristy
  • EPI 808: Introduction to Biostatistics I (2012 Fall), Co-Instructor


Students (Major advisor)


PhD
  • Jianfeng Chen, A marginal mean approach for cure rate survival models, Feb. 2016 - Present. Expected Dec. 2019
  • Suizhi Yu, A covariate-adjusted classification model for multiple biomarkers in disease screening and diagnosis, Feb. 2016 - Present. May 2019
  • Nadeesha Mawella, A robust test of homogeneity in zero-inflated models for count data, Mar. 2015 - May 2018
    First Job: Assistant Teaching Professor, Department of Mathematics & Statistics, University of Missouri, Kansas City

Master (Report Option)
  • Jennifer Delzeit, Dec. 2017 - Present. Expected May 2019
  • Jiali Zhu, A Biometrical Inheritance Model for Heritability under the Presence of Environmental Exposures: Application to Michigan Fisheater Data, Feb. 2016 - Dec. 2018
    First Job: Totex Manufacturing, Inc. (California) as Inventory Analyst
  • Ileana Cepeda (Master of Public Health), Early Detection of Alzheimer's Disease in Military Population & Public Health Field Experience: HIV Prevention Using Pre-Exposure Prophylaxis, Sept. 2016 - April 2017.
    First Job: KU Cancer Center and the American Academy of Family Physicians in Kansas City
  • Jiena Gu, Monitoring Alzheimer's disease with latent Transition models, Jan. 2015 - Aug. 2016.
    First Job: Beef Cattle Institute (Kansas State University) as Project Coordinator
  • Gaowei Nian, A Score Test of Homogeneity in Generalized Additive Models for Zero-inflated Count Data, Sept. 2013 - Aug. 2014.
    First Job: IMS Health (Beijing) as Statistician
  • Siyu Gao, The Impact of Misspecification of Nuisance Parameters on Test for Homogeneity in Zero-inflated Poisson Model: A Simulation Study, Sept. 2013 - May 2014.

Master (Exam Option)
  • Xianzhe Xue, Oct. 2015 - Aug. 2017
  • Shenshen Lu, Oct. 2015 - Aug. 2017.

Undergraduate
  • Audrey Chang, Analyzing longitudinal tornado data with Zero-inflated Poisson models (Awards: KSU College of Arts & Sciences Undergraduate Research Scholarship, 2016 Fall and 2017 Spring; KSU Office of Undergraduate Research and Creative Inquiry, 2017 Fall )


Spring 2019 Teaching Schedule (On Campus)

 

 

MONDAY

TUESDAY

WEDNESDAY

THURSDAY

FRIDAY

8

:00

 

 

 

 

 

:30

 

 

 

 

 

9

:00

 

 

 

 

 

:30

 

10

:00

:30

Office Hours

10:30-11:30am

Office Hours

10:30-11:30am

 

11

:00

 

:30

 

12

:00

 

 

 

:30

 

 

 

1

:00

 

 

 

 

 

:30

 

 

 

 

 

2

:00

 

 

 

:30

 

 

 

 

3

:00

 

 

 

 

:30

 

 

 

 

4

:00

 

Faculty Meeting

4pm-5pm

 

STAT Seminar 

4pm-5pm

 

:30

 

 

 



Last updated on: 3/05/2019