Vazquez O (2026). survdt: Improved Methods for Survival Analysis under Double Truncation. doi:10.32614/CRAN.package.survdt. R package version 0.9.0, https://CRAN.R-project.org/package=survdt.

Vazquez O, Xie SX (2025). “Robust inverse probability weighted estimators for doubly truncated Cox regression with closed-form standard errors.” Lifetime Data Analysis. doi:10.1007/s10985-025-09650-5.

Corresponding BibTeX entries:

  @Manual{,
    title = {survdt: Improved Methods for Survival Analysis under
      Double Truncation},
    author = {Omar Vazquez},
    year = {2026},
    note = {R package version 0.9.0},
    url = {https://CRAN.R-project.org/package=survdt},
    doi = {10.32614/CRAN.package.survdt},
  }

  @Article{,
    title = {Robust inverse probability weighted estimators for doubly
      truncated Cox regression with closed-form standard errors},
    author = {Omar Vazquez and Sharon X. Xie},
    journal = {Lifetime Data Analysis},
    year = {2025},
    doi = {10.1007/s10985-025-09650-5},
  }