Concepedia

Time-varying Coefficients

Time-Varying Coefficients is a methodological construct in survival analysis that extends the Cox proportional hazards model by allowing the regression coefficients to vary as functions of time, thereby accommodating non-proportional hazards when the effect of covariates on the hazard rate changes over time.

629

Publications

39.2K

Citations

1.3K

Authors

779

Institutions

Publications per year

2017–2026

169

Variants

Time-dependent Coefficients

Parents

Publications

629

Proportional hazards tests and diagnostics based on weighted residuals

Patricia M. Grambsch, Terry M. Therneau · Biometrika · 1994 · 5.6K citations

, , +16

Self-Organizing Hierarchical Particle Swarm Optimizer With Time-Varying Acceleration Coefficients

Asanga Ratnaweera, Saman Halgamuge, H. C. Watson · IEEE Transactions on Evolutionary Computation · 2004 · 3K citations

, , +13

Varying-Coefficient Models

Trevor Hastie, Robert Tibshirani · Journal of the Royal Statistical Society Series B (Statistical Methodology) · 1993 · 1.9K citations

, , +14

Generalized Synthetic Control Method: Causal Inference with Interactive Fixed Effects Models

Yiqing Xu · Political Analysis · 2017 · 903 citations · Full text

, , +17

A new index of financial conditions

Gary Koop, Dimitris Korobilis · European Economic Review · 2014 · 657 citations · Full text

, , +17

1–5 of 629

Authors

1.3K

  1. AW
    Abdul‐Majid Wazwaz

    Saint Xavier University, United States

    19 publications · 553 citations

    16

    h-index

  2. AB
    Anjan Biswas

    King Abdulaziz University, Saudi Arabia

    14 publications · 1.1K citations

    13

    h-index

  3. HT
    Houria Triki

    Badji Mokhtar-Annaba University, Algeria

    9 publications · 238 citations

    9

    h-index

  4. CM
    Chaudry Masood Khalique

    North-West University, South Africa

    7 publications · 132 citations

    7

    h-index

  5. YZ
    Yunong Zhang

    Sun Yat-sen University, China

    6 publications · 266 citations

    6

    h-index

1–5 of 1.3K

Institutions

779

  1. Saint Xavier University

    Chicago, United States

    16 h-index

    20 publications

    570 citations

  2. Delaware State University

    Dover, United States

    12 h-index

    16 publications

    1.3K citations

  3. Badji Mokhtar-Annaba University

    Annaba, Algeria

    8 h-index

    9 publications

    214 citations

  4. Pennsylvania State University

    State College, United States

    7 h-index

    20 publications

    1.1K citations

  5. Centre National de la Recherche Scientifique

    Paris, France

    7 h-index

    9 publications

    252 citations

  6. Chinese Academy of Sciences

    Beijing, China

    7 h-index

    15 publications

    746 citations

  7. University of California, Los Angeles

    Los Angeles, United States

    7 h-index

    10 publications

    407 citations

  8. Sun Yat-sen University

    Guangzhou, China

    7 h-index

    16 publications

    680 citations

1–8 of 779

Venues

  1. SSRN Electronic Journal

    Repository · 22 publications · 1.3K citations

    14

    h-index

  2. IEEE Transactions on Automatic Control

    13 publications · 797 citations

    13

    h-index

  3. Nonlinear Dynamics

    14 publications · 570 citations

    13

    h-index

  4. Applied Mathematics and Computation

    12 publications · 344 citations

    10

    h-index

  5. 9

    h-index

1–5