Search Results - "SEVERINI, A"

Refine Results
  1. 1

    Efficiency bounds for estimating linear functionals of nonparametric regression models with endogenous regressors by Severini, Thomas A., Tripathi, Gautam

    Published in Journal of econometrics (01-10-2012)
    “…Let Y=μ∗(X)+ε, where μ∗ is unknown and E[ε|X]≠0 with positive probability but there exist instrumental variables W such that E[ε|W]=0 w.p.1. It is well known…”
    Get full text
    Journal Article
  2. 2

    Likelihood ratio statistics based on an integrated likelihood by SEVERINI, T. A.

    Published in Biometrika (01-06-2010)
    “…An integrated likelihood depends only on the parameter of interest and the data, so it can be used as a standard likelihood function for likelihood-based…”
    Get full text
    Journal Article
  3. 3

    Integrated likelihood functions for non-Bayesian inference by Severini, Thomas A.

    Published in Biometrika (01-08-2007)
    “…Consider a model with parameter θ = (ψ, λ), where ψ is the parameter of interest, and let L(ψ, λ) denote the likelihood function. One approach to likelihood…”
    Get full text
    Journal Article
  4. 4

    The role of score and information bias in panel data likelihoods by Schumann, Martin, Severini, Thomas A., Tripathi, Gautam

    Published in Journal of econometrics (01-08-2023)
    “…We show why reducing information bias can improve the performance of likelihood based estimators and confidence regions in small samples, and why it seems to…”
    Get full text
    Journal Article
  5. 5

    Integrated likelihood based inference for nonlinear panel data models with unobserved effects by Schumann, Martin, Severini, Thomas A., Tripathi, Gautam

    Published in Journal of econometrics (01-07-2021)
    “…We propose a new integrated likelihood based approach for estimating panel data models when the unobserved individual effects enter the model nonlinearly…”
    Get full text
    Journal Article
  6. 6

    Genomic cartography of varicella–zoster virus: A complete genome-based analysis of strain variability with implications for attenuation and phenotypic differences by Tyler, S.D, Peters, G.A, Grose, C, Severini, A, Gray, M.J, Upton, C, Tipples, G.A

    Published in Virology (New York, N.Y.) (15-03-2007)
    “…Abstract In order to gain a better perspective on the true variability of varicella–zoster virus (VZV) and to catalogue the location and number of differences,…”
    Get full text
    Journal Article
  7. 7

    Integrated likelihood inference in multinomial distributions by Severini, Thomas A.

    Published in Metron (Rome) (01-08-2023)
    “…Consider a random vector ( N 1 , N 2 , … , N m ) with a multinomial distribution such that E N j ; θ = n p j ( θ ) , j = 1 , … , m , where p 1 , ⋯ , p m are…”
    Get full text
    Journal Article
  8. 8

    Some properties of portfolios constructed from principal components of asset returns by Severini, Thomas A.

    Published in Annals of finance (01-12-2022)
    “…Principal components analysis (PCA) is a well-known statistical method used to analyze the covariance structure of a random vector and for dimension reduction…”
    Get full text
    Journal Article
  9. 9

    Quasi-Likelihood Estimation in Semiparametric Models by Severini, Thomas A., Staniswalis, Joan G.

    “…Suppose the expected value of a response variable Y may be written h(Xβ +γ(T)) where X and T are covariates, each of which may be vector-valued, β is an…”
    Get full text
    Journal Article
  10. 10

    Profile Likelihood and Conditionally Parametric Models by Severini, Thomas A., Wong, Wing Hung

    Published in The Annals of statistics (01-12-1992)
    “…In this paper, we outline a general approach to estimating the parametric component of a semiparametric model. For the case of a scalar parametric component,…”
    Get full text
    Journal Article
  11. 11
  12. 12

    Type-specific prevalence of Human Papillomavirus infection among women in the Northwest Territories, Canada by Jiang, Y, Brassard, P, Severini, A, Goleski, V, Santos, M, Leamon, A, Chatwood, S, Lys, C, Johnson, G, Wong, T, Kotaska, A, Kandola, K, Mao, Y

    Published in Journal of infection and public health (01-11-2011)
    “…Summary Background Certain types of Human Papillomavirus (HPV) are highly associated with cervical cancer and precursor lesions (dysplasia), but the…”
    Get full text
    Journal Article
  13. 13

    Distribution of human papillomavirus types, cervical cancer screening history, and risk factors for infection in Manitoba by Demers, A A, Shearer, B, Severini, A, Lotocki, R, Kliewer, E V, Stopera, S, Wong, T, Jayaraman, G

    Published in Chronic diseases and injuries in Canada (01-09-2012)
    “…We conducted a study to investigate the prevalence of human papillomavirus (HPV) infections in an opportunistic sample of women in Manitoba, Canada. We…”
    Get full text
    Journal Article
  14. 14

    A simplified approach to computing efficiency bounds in semiparametric models by Severini, Thomas A., Tripathi, Gautam

    Published in Journal of econometrics (01-05-2001)
    “…Using some standard Hilbert space theory a simplified approach to computing efficiency bounds in semiparametric models is presented. We use some interesting…”
    Get full text
    Journal Article
  15. 15

    The diagnosis of genital herpes - beyond culture: An evidence-based guide for the utilization of polymerase chain reaction and herpes simplex virus type-specific serology by Ratnam, S, Severini, A, Zahariadis, G, Petric, M, Romanowski, B

    “…Accurate identification of persons with genital herpes is necessary for optimal patient management and prevention of transmission. Because of inherent…”
    Get full text
    Journal Article
  16. 16

    Integrated likelihoods for functions of a parameter by Severini, Thomas A.

    “…Non‐Bayesian inference regarding a parameter of interest in the presence of a nuisance parameter may be based on the integrated likelihood function, in which…”
    Get full text
    Journal Article
  17. 17

    Mechanism of inhibition of duck hepatitis B virus polymerase by (-)-beta-L-2',3'-dideoxy-3'-thiacytidine by Severini, A, Liu, X Y, Wilson, J S, Tyrrell, D L

    Published in Antimicrobial Agents and Chemotherapy (01-07-1995)
    “…Services AAC Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon…”
    Get full text
    Journal Article
  18. 18

    SOME IDENTIFICATION ISSUES IN NONPARAMETRIC LINEAR MODELS WITH ENDOGENOUS REGRESSORS by Severini, Thomas A., Tripathi, Gautam

    Published in Econometric theory (01-04-2006)
    “…In applied work economists often seek to relate a given response variable y to some causal parameter μ* associated with it. This parameter usually represents a…”
    Get full text
    Journal Article
  19. 19

    Extended Generalized Estimating Equations for Clustered Data by Hall, Daniel B., Severini, Thomas A.

    “…Typically, analysis of data consisting of multiple observations on a cluster is complicated by within-cluster correlation. Estimating equations for generalized…”
    Get full text
    Journal Article
  20. 20

    Integrated likelihood computation methods by Zhao, Zhenyu, Severini, Thomas A.

    Published in Computational statistics (01-03-2017)
    “…Suppose a model has parameter θ = ( ψ , λ ) , where ψ is the parameter of interest and λ is a nuisance parameter. The integrated likelihood method eliminates λ…”
    Get full text
    Journal Article